contents -...

3

Welcome to the world of Cutting - Edge Industrial Ceramics...

At CUMI we offer ceramic solutions that will make a world of difference to your business. CUMI is part of the $ 4 billion Murugappa Group and has emerged over the years as a leading player in the Material Science Industry, worldwide. Today, CUMI has revenues in excess of $ 500 million and over 25 manufacturing locations spanning 4 continents.

CUMI’s Industrial Ceramics Division has carved a niche for itself in the business of high alumina ceramics. CUMI specializes in providing advanced ceramic solutions for Wear and Corrosion Protection, Ballistic Protection and Electrical Resistance. The division provides value-added products and turnkey project solutions. CUMI’s design and application engineering capabilities rank amongst the best in the industry.

Find out more on what CUMI-CERAMICS can do for you.

CONTENTS

Chairman’s Message 05Murugappa Group 06CUMI 07Industrial Ceramics 09

WEAR CERAMICS 13

Ceramic Wear Limiting Products 14 Ceramic Rubber Composites 16 Ceramic Pulley Lagging 17 Ceramics for Metal Extraction 18 Ceramics for Power Plants 20 Ceramics for Coal Preparation Plants 21 Ceramics for Cement Industry 22 Ceramic Liners for Steel Industry Applications 23 Grinding Media and Ball Mill Liners 24

ENGINEERED CERAMICS 27

High Alumina Engineered Ceramics 28 Chemical Pump Parts 30 Heater Beads 32 Ceramics for Ballistic Protection 33 Sand Blasting Nozzles 34 Argon Arc Nozzles 36 Ignition Electrodes 38 Zirconia Ceramics 40 Cumitherm – Reaction Sintered Aluminum Titanate 42

METAllISED CERAMICS 45

M. M. MurugappanChairman

CARbORUNDUM UNIvERSAl lIMITED

5

CUMI’s developMent and progress over the years has been based on the relentless pUrsUIt of a Clear vIsIon, strong ethICal valUes, Its CoMMItMent to CUstoMers, good governanCe, hIgh standards of qUalIty, applICatIon servICe, adherenCe to safety standards, envIronMental and regUlatory CoMplIanCe and above all CoMMItted leadershIp.

M. M. MUrUgappanChaIrMan

MURUGAPPA GROUP

The Murugappa Group, headquartered in Chennai, India, is a US-$ 4 billion conglomerate with interests in engineering, abrasives, finance, general insurance, fertilisers, farm inputs, sugar, bio-products, nutraceuticals, cycles and plantations. It has 29 limited companies under its umbrella with manufacturing facilities spread across the globe.

The Group, which has forged strong joint venture alliances with leading international companies like Mitsui Sumitomo, Cargill, Foskor, Morgan PLC and Groupe Chimique Tunisien has consolidated its status as one of the fastest growing diversified business houses in India.

The Murugappa group, headquarTered in Chennai, india, is a us-$ 4 Billion CongloMeraTe wiTh inTeresTs in engineering, aBrasives, finanCe, general insuranCe, ferTilisers, farM inpuTs, sugar, Bio-produCTs, nuTraCeuTiCals, CyCles and planTaTions.

7

CUMI

With customers in 43 countries across the globe, Carborundum Universal Limited (CUMI) is a one-point source for over 20,000 varieties of abrasives, electro minerals, ceramics and refractory materials, manufactured at 25 locations across Australia, China, India, Russia and South Africa.

A US-$ 500 million company, CUMI was incorporated in 1954 as a tripartite collaboration between the Carborundum Inc, USA, the Universal Grinding Wheel Co Ltd, UK and the Murugappa Group, India. A pioneer in the manufacture of coated and bonded abrasives in India; CUMI has been an innovator in super refractory materials, electro minerals, industrial ceramics and ceramic fibers.

All of CUMI’s manufacturing facilities are certified for international quality standards (ISO 9001:2000) and environment-friendly manufacturing practices (ISO 14001). State-of-the-art facilities and strategic alliances with global partners have earned CUMI a reputation for quality and innovation. It is one of the few manufacturers of abrasives and ceramics in the world with fully integrated operations, from mining, through fusion.

CUMI is equipped with a state-of-the-art Research and Development center which works aggressively on product development and efficiency enhancement. Its in-house R&D and collaboration with leading research institutions have ensured market leadership in India and abroad. CUMI has, in place, manufacturing practices like Lean and Six Sigma to improve its cost competitiveness.

CUMI’S GlObAl PRESENCE

CUMI CANADA INC.VOLZHSKy ABRASIVE WORKS

CARBORUNDUM UNIVERSAL LTD

CUMI ABRASIVES & CERAMICS CO. LTD.,

UAE

WENDT GRINDING TECHNOLOGIES LTD.

CUMI AUSTRALIA (PTy) LTD.FOSKOR ZIRCONIA (PTy) LTD.

CUMI-VENLO

NORTH AMERICACUMI AMERICA INC.

EUROPE

SOUTH AFRICA

INDIA

RUSSIA

CHINA

AUSTRAlIA

THAIlAND

CANADA

CUMI MIDDLE EAST

9

The wide array of products serves a range of industrial applications: • Ceramic Tiles• Coal-based Power Generation• Coal Preparation Plants Cement Steel Mineral Processing Chemical and Fluid Handling Equipment

PRODUCTS & SERvICES

The Industrial ceramics division specializes in the manufacture of wear limiting products, grinding media, liners and engineered ceramics catering to critical and demanding applications in the Armour, Ceramic Tile, Non-Ferrous, Steel, Power Generation, Power Distribution, Cement, and Mineral and Ore Processing industries. The division provides design and installation support in addition to product supply.

indusTrial CeraMiCs is dediCaTed To ManufaCTuring hi-TeCh CeraMiCs for indusTrial appliCaTions. The produCTs Can Be Broadly Classified inTo wear CeraMiCs, engineered CeraMiCs and MeTallised CeraMiCs.

Defence (Personnel and Vehicle Armour)Textile Gas & Oil based BoilersNon-Ferrous Molten MetalPower DistributionPulp and Paper

PROCESS FlOW

11

MATERIAL DATA SHEET

UN

ITS

TES

T

CU

MIT

UFF

C

UM

ITU

FF

CU

MIT

UFF

C

UM

ITU

FF

CU

MIT

UFF

C

UM

ITU

FF

CU

MIT

UFF

C

UM

ITU

FF

CU

MIT

UFF

C

UM

ITH

ERM

85

90

92

92C

SP

94

95W

98

995

998

85%

90%

92%

92%

94%

95%

98%

99.5

%

99.8

%

Al-Tit

anat

eC

HEM

ICA

L C

OM

POSI

TIO

N

Alu

min

a A

lum

ina

Alu

min

a A

lum

ina

Alu

min

a A

lum

ina

Alu

min

a A

lum

ina

Alu

min

a

D

ENSI

Ty

gm

/cc

A

STM

3.3

5

3.5

5

3.6

5

3.6

5

3.7

0

3.7

0

3.8

0

3.8

5

3.8

5

3.4

0

5.7

0

6.0

0

C373

-88

(2

006)

C

olo

ur

--

--

W

hit

e

Whit

e

Ivory

W

hit

e

Whit

e

Whit

e

Whit

e

Ivory

Iv

ory

W

hit

e

Light

Bro

wn

Ivory

W

ater

AST

M

A

bso

rpti

on

%

C3

73

-88

0

0

0

0

0

0

0

0

0

3 –

5

0

0

(2006)

El

asti

c

GPa

A

STM

Modulu

s

C1198

-08

230

275

300

300

300

320

340

370

350

200

200

Po

isso

n’s

AST

M

Rat

io

--

C

1198

-08

0.2

2

0.2

2

0.2

2

0.2

2

0.2

1

0.2

2

0.2

2

0.2

2

0.2

2

0.2

2

0.3

0

0.2

3

Flex

ura

l

AST

M

St

rength

M

Pa

C1161-0

2c

240

270

320

330

350

340

330

370

360

25

620

900

(2

00

8)

C

om

pre

ssiv

e

A

STM

St

rength

M

Pa

C1424

-04

1450

1750

1950

2000

2100

2300

2500

2600

2400

250

2000

2700

Fr

actu

re

MPa

.m0.5

AST

M C

1421

(3

-4)

(3

-4)

(4

-5)

(4

-5)

(4

-5)

(4

-5)

(4

-5)

(4

-5)

(4

-5)

(9-1

0)

(1

1-1

3)

Toughnes

s

01b (

2007)

Vic

ker

s

GPa

, A

STM

(R

ock

wel

l)

1000g

C1327

-03

9.5

(70)

11.8

(75)

12.5

(77)

12.5

(77)

13.2

(78)

13.2

(78)

14.2

(81)

14.8

(82)

15.0

(83)

4.5

(45)

11 (

75)

12 (

77)

H

ardnes

s (R

45N

)

Ther

mal

W

/m-k

A

STM

C

onduct

ivit

y

C

1470

-06

16

16.7

20.2

20

22.4

23

27.3

30

30

1.0

2.2

2.2

C

oef

fici

ent

AST

M

Of

Ther

mal

10

-6/o

C

C1470

-06

7.4

8.1

8.1

8.1

8.2

8.2

8.2

8.3

8.4

~ 0

.0

10.1

10.3

Ex

pan

sion @

25-1

000°C

Max

Use

oC

N

o load

Tem

per

ature

condit

ion

1450

1500

1500

1600

1700

1600

1700

1750

1750

850

1700

1600

Ther

mal

Shock

oC

A

STM

Res

ista

nce

Tc

C1525

-04

300

250

250

250

250

250

250

200

200

850

350

350

D

iele

ctri

c ac

-kV

/ A

STM

St

rength

m

m

D149-9

7a

9.0

8.3

8.3

8.5

8.7

8.5

8.7

8.7

9.0

9.0

(3.1

8m

m)

(20

04

)

D

iele

ctri

c

25

oC

@

AST

M

Loss

1M

HZ

D2

52

0-0

1

0.0

009

0.0

004

0.0

004

0.0

004

0.0

001

0.0

001

0.0

001

0.0

010

0.0

010

V

olu

me

25

oC

,

>10

14

>10

14

>10

14

>10

14

>10

14

>10

14

>10

14

>10

13

>10

13

Res

isti

vity

ohm

-cm

500

oC

,

4x10

8

4x10

8

4x10

8

4x10

9

2x10

10

2x10

10

2x10

10

5x10

4

2x10

4

ohm

-cm

10

00

oC

, A

STM

--

5x10

5

5x10

5

5x10

5

2x10

6

2x10

5

2x10

7

<10

3

<10

3

ohm

cm

D1

82

9

MECHANICAL THERMAL ELECTRICALPHySICALPRO

PERTIE

S

Prim

e ch

arac

teri

stic

sW

ear

Res

ista

nce

Good W

ear

Res

ista

nce

Exce

llen

t W

ear

Res

ista

nce

Exce

llen

t W

ear

&C

orr

osi

on

Res

ista

nce

Exce

llen

t El

ectr

ical

Insu

lati

on &

Met

allise

d

Cer

amic

s

Moder

ate

wea

r &

Corr

osi

on

resi

stan

ce,

Good E

lect

rica

l In

sula

tion

& T

her

mal

C

onduct

ivity

Good

Balli

stic

Proper

ties

Exce

llent

Wea

r,C

orr

osi

on

Res

ista

nce

&Ex

celle

nt

Balli

stic

Proper

ties

Hig

h P

uri

ty

Sinte

red

Alu

min

a C

eram

ics

for

Labora

tory

ap

plic

atio

n

Exce

llen

t W

ear

&C

orr

osi

on

Res

ista

nt

Proper

ties

Exce

llen

t W

ear

& C

orr

osi

on

Res

ista

nt

Proper

ties

Exce

llent

Ther

mal

Sh

ock

Res

ista

nce

, N

onw

etta

bili

ty

with

Nonfe

rrousM

olten

Met

al &

Exce

llent

Ther

mal

Insu

lation

Proper

ties

CU

MIT

UFF

C

UM

ITU

FFM

gPS

Z

yPS

ZM

gO

-Par

tial

ly

ytt

ria-

Part

ially

stab

iliz

ed

stab

iliz

edZir

conia

Zir

conia

No

tes:

1. D

AT

A M

EA

SU

REM

EN

TS-

All d

ata

mea

sure

men

ts a

re t

ypic

al a

nd m

ade

at r

oom

tem

per

ature

unle

ss o

ther

wis

e note

d.

2. C

OM

PO

SIT

ION

CO

NT

RO

l-

All Indust

rial

cer

amic

com

posi

tions

are

contr

olled

usi

ng m

oder

n

chem

ical

, sp

ectr

ogra

phic

, an

d x

-ray

flu

ore

scen

t m

ethods.

3.

TH

ER

MA

l S

HO

CK

RESIS

TA

NC

E-

Tes

ts a

re d

one

by

quen

chin

g s

ample

s in

to w

ater

fro

m

vari

ous

elev

ated

tem

per

ature

s. T

he

chan

ge

in t

emper

ature

wher

e a

shar

p d

ecre

ase

in f

lexura

l st

rength

is

obse

rved

is

list

ed a

s +Tc.

4.

CH

EM

ICA

l R

ESIS

TA

NC

E-

Alt

hough a

ll I

ndust

rial

cer

amic

pro

duct

s ar

e hig

hly

res

ista

nt,

sp

ecif

ic a

pplica

tion d

ata

has

to b

e obta

ined

pri

or

to d

esig

n f

inal

isat

ion t

o e

nsu

re o

pti

mum

ce

ram

ic s

elec

tion.

This

char

t is

inte

nded

to illust

rate

typ

ical

pro

per

ties

of

CU

MIT

UFF

/ C

UM

ITH

ERM

cer

amic

mat

eria

ls.

The

des

igner

should

rec

ogniz

e th

at e

xac

t pro

per

ties

may

var

y ac

cord

ing t

o p

roduct

confi

gura

tion

and c

an s

om

etim

es b

e ta

ilore

d t

o m

eet

spec

ific

req

uir

emen

ts.

The

info

rmat

ion s

et f

ort

h h

erei

n

should

not

be

const

rued

as

abso

lute

engin

eeri

ng d

ata

or

const

ituti

ng a

war

ranty

or

repre

senta

tion

for

whic

h w

e as

sum

e le

gal

res

ponsi

bilit

y.

∆

MATERIAl FEATURES

Standard and pre-engineered tiles, small/dimple tiles, iso-pressed components, linedequipments, rubberized ceramics

Grade Salient Features Products

Cumituff 90 Excellent wear and abrasion protection properties Cumituff 92

Cumituff CSP Excellent wear and corrosion

resistant for bulk application

Cumituff 94 Metallised ceramics, excellent Metallised vacuum circuit breaker, metallised mechanical and di-electric strength devices for electrical application

Cumituff 95W Good wear and corrosion resistant Igniters and water pump seals

Cumituff 98 Excellent ballistic performance Armour for ballistc protection

Cumituff 995 Excellent wear, corrosion resistant, Body / vehicle armour, mechanical seals, outstanding ballistic performance textile ceramics, SOFC envelopes etc and other engineering ceramics

Cumituff 998 Very high purity, heat and Lab-ware, ferrules, corrosion resistant furnace parts and components

Cumituff ySZ/ Excellent impact, wear and corrosion Battery tooling, wire drawing dies,MgSZ resistant tough ceramics mud-pump liners, step cone pulleys

Cumitherm Excellent Thermal shock resistance ∆Tc, Dosing tube, riser tube, sprue bushes, tap-hole non-wettability to molten non-ferrous “ring and plug”, spout and other metal and insulating ceramics non-ferrous melts holding and conveying parts

13

CUMI manufactures weldable and pastable alumina ceramic tiles that can be bonded onto the surface that is to be protected from wear.

We can supply the lining in the form of pre-engineered tiles and segments to match the profile of your equipment. These can be easily installed into your existing equipment and piping. We can also supply ready-to-fit ceramic lined equipment, such as pipes, bends, feed chutes, cones and other components.

Bulk material movement involving sliding often causes heavy wear to the equipment, resulting in damage of the equipment, lower reliability, production losses, and lower capacity utilisation. Installation of ceramic liners is a solution, and is a necessity in today’s competitive world where equipment availability and low operating costs are essential.

Based on your applications CUMI manufactures weldable, pastable, rubber backed and dovetail alumina ceramic tiles that can be bonded on to the surface that is to be protected from wear.

Apart from standard sizes, we offer pre-engineered tiles to suit specific equipment. 3D modeling is used to ensure a good fit for the contours of the lining surface.

CUMI can also offer a range of pre-fabricated Ceramic Lined Process Equipments in cases where drawing is provided.

APPlICATIONS

Thermal Power Plant• Inner Cone• Ventury Vane• Multiport Outlet• Mill Discharge Valve• Bends and Pipes• Orifice• Swing Panel• Transition/Y-Piece• Burner Assembly Pipe

bulk Material Handling• Chute/Transfer Points• Pulley Lagging• Slurry Pipes and Bends

Coal Washery• Cyclones/Spigots• Feed/Discharge Orifices• Catch Pan

Cement Industry• Coal/Raw/Cement Mills• Toboggan Chute Fan Casing, Hoppers, Separators

Steel Industry• Material Charging Hoppers• Slag Granulation Systems

CUMITUFF tm

THE CUMI ADvANTAGE - QUAlITY AND CONSISTENCY

• Well qualified and experienced technical team to assist customers in the choice of right products.• Dedicated installation crew for in-situ lining.• Well established process as per international standards• Precision controlled tailor-made products for thermal, corrosion and wear protection applications.

15

CUMI PROVIDES THE FOLLOWING INSTALLATION SOLUTIONS

CERAMIC TILE

RUBBER

MOTHER PLATE MS

Rubber backed ceramics

CERAMIC TILE

EPOXy/ RTV SILICONE/MORTARMOTHER PLATE MS

Pastable ceramics

CERAMIC TILE

RTV SILICONE

MS FERRULECERAMICS CAPMORTAR

WELD

Weldable Ceramics

MOTHER PLATE MS

CERAMIC TILE

MOTHER PLATE MS

MORTAR

Dovetail Ceramics

M S LOCKING INSERT

WELD

Should you have any wear problems, CUMI engineers will be glad to assist you. The following information will be helpful.

• Dimensional drawings or sketches of the part or equipment to be lined.• Details of wear pattern and extent of wear.• Operating conditions to which the equipment is subjected including temperature, material handled, the presence of acids etc.• The life of existing lining.

* Weldable Tiles √ Pastable Tiles

LENGTH (mm) WIDTH (mm) THICKNESS (mm)

√ 150 100 6,8,10,13,15,20,25,50

* 150 100 13,15,25

√ 50 50 6

√ 50 25 6

√ 75 25 6

CUMITUFF STANDARD TILES

Other sizes also available.Equivalent sizes in inches also available.We also manufacture hexmats and mosaic mats.

CERAMIC TILE

RUBBER

MOTHER PLATE MS


CERAMIC TILE

EPOXY/ RTV SILICONE/MORTARMOTHER PLATE MS

Pastable ceramics

CERAMIC TILE

RTV SILICONE


WELD

Weldable Ceramics

MOTHER PLATE MS

CERAMIC TILE

MOTHER PLATE MS

MORTAR

Dovetail Ceramics

M S LOCKING INSERT

WELD

CERAMIC TILE

RUBBER

MOTHER PLATE MS


CERAMIC TILE

EPOXY/ RTV SILICONE/MORTARMOTHER PLATE MS

Pastable ceramics

CERAMIC TILE

RTV SILICONE


WELD

Weldable Ceramics

MOTHER PLATE MS

CERAMIC TILE

MOTHER PLATE MS

MORTAR

Dovetail Ceramics

M S LOCKING INSERT

WELD

CERAMIC IMPACT PADS

CUMITUFF™ Ceramic rubber composites are manufactured by hot vulcanizing the high alumina ceramic inserts into rubber. The alumina ceramic provides extreme resistance to wear while the elastic properties of the rubber effectively dampen the impact. The resultant composite is ideal for impact and wear protection systems in bulk material handling.

The state-of-the-art plant to manufacture high alumina ceramics and latest vulcanizing plant makes CUMI the largest manufacturer of ceramic rubber composites in India.

Based on severity of application, CUMI offers wear limiting products in 90% and 92% alumina.

CUMI offers various fixing options based on the application requirements, including cold vulcanizing bond, as well as composites with a mild steel backing plate having studs to facilitate easy installation.

APPlICATIONS Chutes Hoppers Skirts Wagon Tipplers

bENEFITS Exceptional wear life and performance. Reduced downtime and maintenance cost. Outstanding operating performance.

FEATURES Unmatched operating performance and life expectancy. Unique tile design and layout. Specially engineered rubber compound to hold ceramic tiles. Dynamic bonding with tiles. High alumina content ceramic tiles offer

CUMITUFF™ IMPACT PADS1. High Wear – Low impact areas CUMITUFF – SUPER

2. High Wear – High impact areas CUMITUFF – Super Impact

3. Low Wear – High impact areas CUMITUFF – Impact

4. Low Wear – Very high impact areas CUMITUFF – H - Impact

CUMITUFF tm

exceptional flexural and compressive strength to enhance wear life and performance.

17

CERAMIC PUllEY lAGGING

CUMITUFF™ Ceramic rubber composites are manufactured by hot vulcanizing the high alumina ceramic inserts into rubber. The alumina ceramic provides extreme resistance to wear while the elastic properties of the rubber effectively dampen the impact. Our dimple head ceramic pulley lagging sheets offer an ideal solution for the current problems faced in conveyor systems like slippage of conveyor belt and faster wearing out of drum pullies.

The state-of-the-art plant to manufacture high alumina ceramics and the latest vulcanizing plant makes CUMI the largest manufacturer of ceramic rubber composites in India.

bENEFITS

Proven lower belt tensions Longer lifetime of conveyor components like belts, splices and bearings etc.

Superior drive traction Eliminates slippage Sheds water and dirt easily

Improved belt tracking Less damage to belt edges

Exceptional wear life and performance Aluminum oxide ceramic drive segments

Reduced downtime and maintenance cost Outstanding operating performance

APPlICATIONS Head / Drive pulley Snub pulleys

CUMITUFF tm

FEATURES Unmatched operating performance and life expectancy. Unique tile design and layout. Optimum contact between ceramic segment and the belt. Large smooth diameter contact nubs prevent belt damage. Specially engineered rubber compound to hold ceramic tiles. Dynamic bonding with tiles. High alumina content ceramic tiles offer exceptional flexural and compressive strength to enhance wear life and performance. Can be quickly installed without removal of the conveyor belt from the conveyor structure. Significantly reduces the pulley surface preparation time.


CUMI offers installation services for fixing the pulley lagging sheets on the pulley drums.

CSP PRODUCTS FOR AbRASION/CORROSION APPlICATION

CUMI offers specially formulated CUMITUFF Corrosion Special (CUMITUFF-CSP) products for applications involving both abrasion and corrosion. CUMI offers wear resistant liners in standard sizes as well as pre-engineered shapes. Pre-fabricated ceramic lined equipments are also part of our product offer-ing.

INDUSTRIES SERvED

Industries using in-situ leaching, heap-leaching, vat-leaching for extraction of metal, including heap-leaching of copper ore.

Mineral beneficiation Alumina refinery (caustic medium)

Titania extraction by HCl or H2SO4 process from beach-sand

Pulp & Paper industries

Industries handling soluble acidic salt particles / lumps ( phosphate / sulphate / caustic process ).

CUMITUFF CSP offers value for money over metal/polymer.

Works in acid as well as alkali conditions.

On corrosion with strong acid/alkali, CUMITUFF CSP has a better wear resistance than others. The abrasion value remains similar in dry abrasion as well as dry abrasion followed by corrosion.

CUMITUFF tm

19

CUMITUFF tm

This chart is intended to illustrate typical properties of CuMiTuff / CuMiTherM ceramic materials. The designer should recognize that exact properties may vary according to product configuration and can sometimes be tailored to meet specific requirements. The information set forth herein is not to be construed as absolute engineering data or as constituting a warranty or representation for which we assume legal responsibility.

CERAMIC PROPERTY SHEET

PROPERTIES UNITS TEST CUMITUFF®CSP

Chemical Composition 92% Alumina

Physical Density gm/cc ASTM C373-88(2006) 3.65

Colour - - White

Water Absorption % ASTM C373-88(2006) 0

Mechanical Elastic Modules GPa ASTM C1198-08 300

Poisson’s Ratio - ASTM C1198-08 0.22

Flexural Strength MPa ASTM C1161-02C9(2008) 330

Compressive Strength MPa ASTM C1424-04 2000

Fracture Toughness MPa.m0.5 ASTM C1424-D1b(2007) (4-5)

Vickers Hardness R45N GPa, 1000g ASTM C1327-03 77(12.5)

Thermal Thermal Conductivity W/m-k ASTM C147D-05 20

Co-efficient of Thermal Expansion @25-10000C 10-6/ 0C ASTM C147D-05 8.1

Max.Use Temperature 0C No load Condition 1600

Thermal shock resistance ∆Tc 0C 250

Excellent Wear Prime Characteristics & Corrosion Resistance

CERAMICS FOR POWER PlANTS /////

CUMI offers ceramic wear protection solutions for coal-based thermal power stations. Our expertise is in manufacturing and supplying pre-engineered wear resistant tiles and ready to fit pre-fabricated lined equipment.

The CUMI Advantage

• Tailor-made solutions

• Dedicated installation crew for in-situ lining.

Based on severity of application, CUMI offers wear limiting products in 85%, 90%, 92% and 95% alumina.

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CUMITUFF tm

CERAMICS FOR COAl PREPARATION PlANTS /////

CUMI manufactures and supplies CUMITUFF ceramic liners and pre-fabricated ceramic lined equipment for various applications in Coal Washeries.

PRODUCTS

• Standard tiles• Pre-engineered tiles• Pre-fabricated ceramic lined equipment


Our comprehensive range of CUMITUFF ceramic liners will provide cost effective performance.

• Raw Mill• Coal Mill• Cement Mill• Feed Chutes

Raw Mill• Inlet Bends + Discharge Bends

Coal Mill• Blow Out Nozzle• Bull Ring Segment• Mill Body with 25mm Thick Tiles• Bends and Pipes

Ceramic Rubber Composite Tiles• Pulley Lagging• Drive Pulley• Stub Pulley

Ceramic Rubber Composite Impact Pads • Chutes• Hopper• Transfer Points

Ceramic Rubber Composite for Packing Plants• Toboggan Chutes

Based on severity of application, CUMI offers wear limiting products in 85%, 90% and 92% alumina.

CUMI also manufactures a wide range of monolithics in the form of conventional castables, low cement castables, insulating castables and no cement castables for applications in cyclone, pre-heater and smoke chamber, inlet cone, tip casting, burner pipe, bull nose and grate cooler.

CERAMICS FOR CEMENT INDUSTRY /////

vertical Roller Mill

Vertical Roller Mill Body ID Lining• Grit Cone

Separator

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CERAMIC lINERS FOR STEEl INDUSTRY /////

APPlICATION AREAS

Ceramic liners for• Material Hoppers• Receiving Hoppers• Discharge Funnel• Charge End Socket• Rocker Arm• Lower Seal Valve• Upper Seal Valve

CERAMIC lINERS FOR SlAG GRANUlATION PlANTS

APPlICATIONS

Ceramic liners for• Slow Down Box• Distribution Box• Blowing Box• Granulation Tank• Dehydrators• Raw Material Handling Plant Chutes• Coke Oven Plant• Sinter Plant


CUMITUFF tm

GRINDING MEDIA AND bAll MIll lINERS /////

CUMI supplies ceramic grinding media and ball mill liners to the ceramic tile industry. Grinding media is used for particle size reduction which takes place when the material being ground is sandwiched between the media. Ball mill liners are supplied to protect the ball mill from wear and provide longer usable life.

Over the years, CUMI has developed the expertise in grinding operation and can provide guidance on media selection, both in terms of size and proportion. In addition to supplying ball mill liners, the experienced installation crew of CUMI can provide onsite assistance in terms of lining the ball mill.

APPlICATIONS

• Granito tiles• Floor and wall tiles• Ceramic glazes• Fritz and colours• Paints• Food industry• Mineral processing - Zirflour - Quartz - Silica - Feldspar - Calcite

PROPERTIES UNIT TyPICAL VALUEAlumina Content % 90

Density g/cc 3.55

Water Absorption % NIL

Hardness R45N 75

SPECIFICATION OF CUMITUFF®90

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DIMENSIONS SIZE DIMENSIONAL TOLERANCELength <100 mm + /- 1 mm

Length >100 mm + /- 2 mm

Width <100 mm + /- 1 mm

Width >100 mm + /- 2 mm

Thickness <35 mm + /- 0.5 mm

Thickness >35 mm + /- 1.0 mm

Angle + /- 1 Degree

Pre-engg tile layout + /-1% or + /- 5 mm

whichever is greater

CUMITUFF Mini Media is also available in assorted sizes of 0.5 mm to 3 mm.

CUMITUFF bAll MIll lINERS

Owing to high hardness provided by 90 to 92% alumina, CUMITUFF ball mill liners offer superior wear limiting properties. In addition we can also provide installation support for these liners.

CUMITUFF GRINDING MEDIA

CUMITUFF products from CUMI contain 90% alumina and are used in wear resistant applications. CUMITUFF alumina grinding media has high hardness which ensures prolonged resistance to chipping and cracking. Media replacement and make-up charge levels drop significantly with the use of CUMITUFF alumina grinding media. CUMITUFF provides zero contamination which leads to better quality mill output.

The grinding media sizes supplied by CUMI are dia 6, 8, 10, 12, 15, 17, 19, 25, 30, 40, 45, 50 and 60 mm.

CUMITUFF cylindrical media is available for select sizes.

SPECIFICATION OF CUMITUFF 90 /////

PROPERTIES UNIT TyPICAL VALUEAlumina Content % 90

Density g/cc 3.55

Water Absorption % NIL

Hardness R45N 75

Compressive Strength MPa 1750

Flexural Strength MPa 290 Coefficient of Thermal Expansion 1 x 10-6/ 0C 8.1

N O T E S

27

CUMI manufactures customized high purity alumina ceramics for wear protection, corrosion protection, electrical resistance and ballistic protection. Our product range covers 90% alumina up to 99.8% alumina. Our products can be used in diverse applications such as fluid handling equipment, power distribution industry, defence (personnel and vehicle armour), textile industries and molten metal handling among others.

HIGH AlUMINA ENGINEERED CERAMICS /////

Industrial ceramics division of CUMI manufactures alumina ceramics from 90 to 99.8% purity (which are highly wear and corrosion resistant) for various pump mechanical seal applications.

APPlICATIONS

• Mechanical seal faces• Rotary unions and faces• Pump shaft sleeves, linings and plungers• Valve rims• Meter bearings• Fine bubble diffusers• Faucet valve plates• Cryogenic pump components• Spray nozzles• Compressor components• Pneumatic and hydraulic control components• Flow meter components Igniters Thread guides Battery tooling Ballistic protection Heater beads Sand-blasting nozzles Argon arc nozzles

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The following information will help our experts to recommend the best solution for your wear/corrosion problems.

• Dimensional drawings or sketches of the part.

• Details of wear/corrosion pattern and extent of wear/corrosion

• Operating conditions to which the equipment is subjected including temperature, material handled, presence of acids, etc.

• The present material in use and its life.


DATA CHART FOR CERAMICS

AlUMINA

PROPERTIES UNITS CUMUTUFF 90 CUMUTUFF 92 CUMUTUFF 95 CUMITUFF 995 CUMITUFF 998

90% 92% 95% 99.5% 99.8%

Colour White Ivory White Ivory Ivory

Density gm/cc 3.5 3.65 3.70 3.85 3.85

Hardness R 45 N 75 77 78 81>9 81

Water Absorption % 0 0 0 0 0

Compressive Strength MPa 1750 1950 2300 2400 2400

Flexural Strength (MOR) MPa 290 320 340 370 360

Co-efficient of Thermal Expansion 25-10000C X10-6/ 0C 8.1 8.1 8.2 8.2 8.2

Thermal shock resistance ∆Tc 0C 250 250 250 200 200

Max.Use Temperature 0C 1500 1500 1600 1750 1750

Dieletric Strength

(3.18 mm THK) ac-kV/mm 8.3 8.3 8.7 8.7 8.7

CHEMICAl PUMP PARTS /////

In the transport and control of aggressive fluids, ceramic components provide exceptional resistance to corrosion, mechanical erosion and abrasion while maintaining their superior surface finish and fit.

CUMITUFF® high alumina chemical pump parts are manufactured from 95% and 99.5% alumina for mechanical seal face applications particularly for chemical industry and other similar applications in which corrosive attack is particularly severe. This material is subjected to extensive and rigorous laboratory testing in order to determine the effects of various reagents/chemicals on surface finish.

Our ‘T’ type inserts are resistant to highly corrosive acids and alkalis except phosphoric acid and hydro fluoric acids.

We can manufacture seal parts upto a maximum diameter of 220 mm. Our shaft protection sleeves are used by major pump manufacturers and every part can be made to customised to specific requirements.

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APPlICATIONS

• Pump shaft sleeves• Pump plungers• Pump cylinder liners• Thrust and bush bearings• Mechanical seal faces• Shaft and bush bearings in magnetic drive pumps

PROPERTIES UNITS CUMIFUFF 95W 95% ALUMINAColour White

Density gm/cc 3.7

Hardness R 45 N 78

Water Absorption % 0

Surface Finish Micro Inches 15-20


Co-efficient of Thermal

Expansion X10-6/ °C 8.2

DATA CHART FOR CUMITUFF 95W


Contact us for cost-effective design, development and manufacturing assistance.

DATA CHART FOR CUMITUFF 995

PROPERTIES UNITS CUMITUFF 995 99.5% ALUMINAColour Ivory

Density gm/cc 3.85

Hardness R 45 N 81



Flexural Strength (MOR) MPa 370


Expansion 25-1000oC X10-6 / 0C 8.2


Max. Use Temperature 0C 1750

Dielectric Strength (3.8 mmTHK) ac-kV/mm 8.7

FOR FAbRICATION INDUSTRY /////

Ceramic flexible pad heaters are used for pre-heating and post-heating (stress relieving) of work pieces in the fabrication industry, which because of their size cannot be pre- or post-heated in stationary furnaces.

CUMITUFF tm

Flexible ceramic pad heaters are constructed of interlocking CUMITUFF 95W sintered alumina ceramic beads to form large pads. The ceramic beads insulate the heating element and can be used upto 1200 0C. CUM-ITUFF 95W beads have excellent electrical insulation and heat dissipation properties.

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CERAMICS FOR bAllISTIC PROTECTION /////

CUMI offers ceramic solutions for Personnel Protection Vehicle Protection

Standard and tailor-made shapes are offered along with pre-engineered ceramics to suit contours.

PROPERTy CUMITUFF 98 CUMITUFF 995

Alumina % 98 99.5

Density (g/cc) 3.80 3.85

Porosity (%) 0 0

Bending Strength (MPa) 330 370

young's Modulus (GPa) 340 370

Hardness (Hv) @1.0 Kg, GPa 14.2 14.8

Fracture Toughness (Mpa m1/2) 3~4 3~4

Sonic Velocity (m/s) 10000 10250

CUMITUFF tm


35

SAND blASTING NOzzlES /////

Sand Blasting Nozzles are made from high strength alumina material. CUMITUFF 92 and 95W Sand Blasting Nozzles are used for various Grit/Sand Blasting applications. They offer a high wear resistance compared to other conventional nozzles.

SAlIENT FEATURES

• Highly Inert• High Wear Resistance Smooth Finish

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To help you with our prompt services please let us know your requirements specifying the following clearly with your enquiry:

• Application detail• Shape, size• Sketches & drawings are most welcome

Contact us for cost-effective design, development and manufacturing assistance.


This chart is intended to illustrate typical properties of CuMiTuff / CuMiTherM ceramic ma-terials. The designer should recognize that exact properties may vary according to product configuration and can sometimes be tailored to meet specific requirements. The information set forth herein is not to be construed as absolute engineering data or as constituting a warranty or representation for which we assume legal responsibility.

PROPERTIES UNITS CUMITUFF 92 CUMITUFF 95W ALUMINA ALUMINAColour Ivory White

Density gm/cc 3.65 3.7

Hardness R 45 N 77 78

Water Absorption % 0 0

Surface Finish Micro Inches 15-20 15-20

Compressive Strength Mpa 1950 1650


Expansion X10-6/0C 8.1 8.2

ARGON ARC NOzzlE /////

Argon Arc Nozzles are widely used in TIG and MIG welding applications predominantly in the automotive, shipping and heavy engineering industries. CUMITUFF Argon Arc Nozzles, made from 95% alumina, are designed and manufactured to meet these exacting applications. The built-in quality and robustness ensures the following.

• Very Good Electrical Insulation• Exceptionally High Impact and Heat Resistance• Superior Thermal Conductivity• Superior Performance and Better Life

Please let us know your requirement specifying the following clearly with your enquiry:

• Torch make• Shape, size• Sketches and drawings are most welcome

PROPERTIES UNITS CUMITUFF®95 95% AluminaColour White

Density gm/cc 3.7

Hardness R 45 N 78





Expansion X10-6/ 0C 8.2


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We manufacture nozzles to suit the welding torches of WELDCRAFT, TBI & BINZEL, among others. We can also manufacture custom-engineered nozzles to suit non-standard requirements.

ARGON ARC NOzzlE 3D vIEW

37

TOlERANCES:

Unless otherwise specified, the standard tolerance will be: Above 10 mm diameter ±2%, Under 10 mm diameter ±0.25 mm.

DRG NO. PART NO. D D1 L L1007 2465 26.0 15.0 35.0 20.5

010 2464 26.0 12.0 35.0 24.0

047 2461 26.0 6.0 35.0 20.0

048 2663 26.0 10.0 35.0 24.0

051 2462 26.0 8.0 35.0 23.6

THREAD: 1/2” bSP

DRG NO. PART NO. D D1 L L1001 8052-B 25.4 9.50 49 20

003 8021-B 25.4 6.35 49 20

042 8023 24.0 12.00 49 20

046 8022-A 24.0 9.50 49 20

095 8027 24.0 9.50 67 20

THREAD: 11/16x12 TPI

DRG NO. PART NO. D D1 L L1034 1233 17.00 9.52 25 09.24

035 1232 16.80 8.00 18 07.00

039 1234 17.00 6.35 50 08.00

105 1235 16.46 6.35 80 08.00

106 1236 17.00 4.50 50 15.00

116 QE-1 17.00 6.35 25 08.00

117 8011-A 17.00 6.35 25 10.00

151 8005 16.46 6.35 80 10.00

152 8006 17.00 4.00 50 15.00

THREAD: 7/16" bSF

DRG NO. PART NO. D D1 L L1012 1264 21.0 12.00 25 18.00

030 2411 24.0 6.35 40 12.00

031 2412 24.0 6.35 65 12.00

032 2413 24.0 9.52 40 12.50

044 8054 20.5 12.00 25 18.00

049 1262 21.0 8.00 25 18.00

050 1264-1 21.0 12.00 25 19.00

055 1263/8053 21.0 10.00 25 16.63

056 1261/8051 21.0 6.00 25 19.00

079 8052 21.0 8.00 25 17.50

080 2416 24.5 6.35 90 11.00

084 2415 24.5 4.00 90 15.00

090 2418 24.0 4.00 57 15.00

114 2414-A 24.5 9.52 55 15.00

150* 8055 22.0 15.00 30 18.00

154* 1265 22.0 14.85 30 18.00

THREAD: 3/8” bSP

DRG NO. PART NO. D D1 L L1

023 INDARC - 1 34.93 9.53 57.15 17.45

069 3622 30.00 12.00 50.00 20.50

070 3623 30.00 15.00 50.00 20.50

071 3624 30.00 18.00 50.00 20.50

092 8032 30.00 9.00 50.00 20.50

093 8066 30.00 12.00 50.00 20.50

094 8034 30.00 15.00 50.00 20.50

097 8035 30.00 19.00 50.00 20.50

128 3620 30.00 6.00 50.00 20.50

129 3621 30.00 9.00 50.00 20.50

140 8031 30.00 6.00 50.00 20.50

*Indicates RH Thread All dimensions are in mm

THREAD: 5/8" bSP

DRG NO. PART NO. D D1 L THREAD059 …. 28.60 24.00 51.00 7/8"x14 TPI

077 QE-3 25.00 6.35 40.00 M18 x 2.5P

087 QE-12 27.78 12.70 38.10 3/4 "BSF

088 QE-14 17.93 16.34 37.95 3/4 "BSF

NON - STANDARD NOzzlESCUMITUFF tm

This chart is intended to illustrate typical properties of CuMiTuff/ CuMiTherM ceramic materials. The designer should recognize that exact properties may vary according to product configuration and can sometimes be tailored to meet specific requirements. The information set forth herein is not to be construed as absolute engineering data or as constituting a warranty or representation for which we assume legal responsibility.

IGNITION ElECTRODES /////

Insulated electrodes are used in three roles, as igniters, flame detecting probes or liquid level probes in conjunction with appropriate control equipment. In the igniter and flame detetector applications sealing of the conductor to the ceramic is unimportant, but for liquid level control it generally is, particularly in steam raising or other process plants where the process involves pressure.

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PROPERTIES UNITS CUMIFUFF 95W 95% ALUMINA Colour White

Density gm/cc 3.7

Hardness R 45 N 78



Compressive Strength Mpa 2300


Expansion X10-6/ 0C 8.2


Max Use Temperature 0C 1450

Dielectric Strength ac-kV/mm 8.7


CuMiTuff TM igniTion eleCTrodes, By The use of 95% aluMina as insulaTor, possess superior MeChaniCal sTrengTh and exCellenT TherMal shoCk resisTanCe. The sealed ConsTruCTion Makes The igniTers ideal for use as proBes in liquid level ConTrols and flaMe deTeCTors. leading indian ManufaCTurers of paCkaged Boilers now rely enTirely on CuMiTuff TM igniTers.

This chart is intended to illustrate typical properties of CuMiTuff / CuMiTherM ceramic ma-terials. The designer should recognize that exact properties may vary according to product configuration and can sometimes be tailored to meet specific requirements. The information set forth herein is not to be construed as absolute engineering data or as constituting a warranty or representation for which we assume legal responsibility.

zIRCONIA CERAMICS /////

Industrial ceramics division of CUMI brings you zirconia ceramics (Partially Stabilised Zirconia-PSZ) for a wide range of structural applications. PSZ ceramics with its inherent properties of wear resistance and toughness gives you a leading edge over other ceramics. Our shrink-fitted zirconia ceramic dies are used in hi-speed rotary compaction presses in alkaline battery units.

ZIRCONIA Mg-PSZ y-PSZ PROPERTIES UNITS MAGNESIA PARTIALLy yTTRIA PARTIALLy STABILIZED STABILIZEDColour Light brown Ivory

Density gm/cc 5.70 6.0

Hardness @1.0 Kg GPa 11 12

Water Absorption % 0 0

Compressive Strength (20rC) MPa 2000 2700

Flexural Strength (MOR)

(20rC) Typical MPa 620 900

Co-efficient of Thermal Expansion

25-1000°C X10-6/ °C 10.1 10.3

Thermal shock resistance ∆Tc °C 350 350

Max.Use Temperature °C 1700 1600

Dieletric Strength

(3.18 mm THK) ac-kV/mm 9.0 9.0

DATA CHART FOR PSZ CERAMICS

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41

Should you have any wear/corrosion problems, CUMI engineers will be glad to assist you. The following information will be helpful.

• Dimensional drawings or sketches of the part or machine to be lined.

• Details of wear pattern and extent of wear.

• Operating conditions to which the equipment is subjected, including temperature, material handled, presence of acids, etc.,

• The present material in use and its life.

ZIRCONIA ceramics find a large application in the battery tooling industry and are in demand because of following specific advantages:

• Work in conditions where other materials cannot.• Custom manufactured to your specifications. • Increased production efficiency through reduced downtime, thereby providing cost benefit.• Crimp profiles maintained for longer periods.• Improved product quality.• No corrosion and pittings. • No adjustments.

APPlICATIONS

Extrusion dies• Pump seals and valves• Wear parts (Bearings, Shapes, Seals, etc.,)• Corrosion resistant parts• Print pad-rings• Crimping sleeves

REACTION SINTERED AlUMINUM TITANATE

CUMITHERM™ is ideally suited for non-ferrous cast-houses and foundries due to its extraordinary properties of high thermal shock resistance, low thermal conductivity and non-wettability to most non-ferrous molten metal. These properties are achieved by combining High purity alumina and titania in a precision controlled reaction-sintered process to engineer a micro-porous microstructure.

Most CUMITHERM ™ products are manufactured by ISO-STATIC pressing.

APPlICATIONS

• Feeders / Risers / Stalk for low pressure die casting• Dosing tubes • Sprue / Gate bushes, Cups and Connectors• Casting spouts, Flow rods, Retainer rings• Nozzles, Crucibles• Tap hole plugs and rings• Customised special components

CUMITHERM tm

43

Diameter LengthTubes Max. 180 mm (approx 7") Max.700 mm (approx - 27”)

Rings Max. 180 mm (approx 7")

MAXIMUM DIMENSIONS

*Tested at Ceram research limited, u.k.This chart is intended to illustrate typical properties of CuMiTherM ™ material. The designer should recognize that exact properties may vary according to product configuration and can sometimes be tailored to meet specific requirements. The information set forth herein is not to be construed as absolute engineering data or as constituting a warranty or representation for which we assume legal responsibility.

Salient Features Key Benefits

Near Zero Thermal Expansion / Longer service life, Thermal shock resistance ∆Tc Can be exposed to molten metal without pre-heatingLow Thermal Conductivity Energy-efficient process

Increased process reliability

Reduced freeze-offs

Improved yield levels

Non - Wettability Prevents metal adhesion Simplifies cleaning Increased machine availabilityChemical Inertness Increased service life

Does not contaminate the melt, hence

enhances product quality

Boosts plant efficiency

CUMITHERM

PROPERTIES UNITS TyPICAL VALUEDensity gm/cc 3.40

Apparent Porosity % 3.0-4.0

MOR at Room Temperature kg/cm2 250

MOR at 9000C kg/cm2 500

MOR on Spalling Cycle (8500C to RT) kg/cm2 250

Cold Compressive Strength kg/cm2 2500

*Thermal Expansion Coefficient X 10-6/0C ~0.00

*Thermal shock resistance ∆Tc

(9500C to Water Quenching Cycle 30 (minimum)

*Thermal Conductivity at 9500C W/mK 1.5

Maximum Application Temperature 0C 850

TyPICAL PROPERTIES OF CUMITHERM

N O T E S

45

CUMI’s state-of-the-art plant provides ceramic components for Electrical and Electronic Industries.

METAllISED CERAMIC CYlINDERS AND DEvICES:

We offer metallised ceramics with moly-manganese/silver metallisation. Our metallised ceramics with good mechanical and electrical properties combined with high di-electric strength and zero porosity facilitates the manufacture of hermetically sealed parts.

APPlICATIONSProducts using metallised ceramics for various applications: Vacuum interrupters for vacuum circuit breakers Vacuum contactors for motor/transformer/furnace switching Vacuum capacitors for high power RF Systems Vacuum relay for high voltage switching Power fuse for short circuit protection of transformers, motors. X-ray tubes for medical imaging equipments Xenon lamps for high intensity lamps for surgical, video projection Feed through for solid oxide fuel cells Image intensifier tubes for night vision equipments

bRAzED ASSEMblIES

Metallised ceramics can be brazed to metals with copper-silver, copper and other alloys. Electrolytic nickel plating is done over moly-manganese metal layer for proper adhesion/wettability of the braze materials to join metal components.

Typical metal components include: • Kovar• Nickel• Fe-Ni 42• Stainless steel• Copper

Typical braze materials:• Copper - silver• Silver

PROPERTIES UNITS TEST ALUMINA

94% 975M 995M

Colour -- -- White White IvoryBulk Density (Fired) gm/cc ASTM-C373 3.70 3.76 3.85Hardness R45N ROCKWELL 45N 78 75 81Water Absorption % ASTM-C373 0 0 0Compressive Strength MPa ASTM-C1424 2100 1750 2100Flexural Strength (MOR) MPa ASTM-C1161 350 290 280Co-efficient of ThermalExpansion (25-10000C) X10-06/0C ASTM-C1470 8.2 8.9 9.2Dielectric Strength AC kV/mm ASTM D149 8.5 13.70 13.70


This chart is intended to illustrate typical properties of Cumituff ceramic materials. The designer should recognize that exact properties may vary according to product configuration and can sometimes be tailored to meet specific requirements. The information set forth herein is not to be construed as absolute engineering data or as constituting a warranty or representation for which we assume legal responsibility.

47

METALLISED CERAMICS PLANT

WEAR CERAMICS PLANT

Making Materialswork for Man

#47, SIPCOT InduSTrIal COmPlex, HOSur - 635126, TamIlnaduIndIa, Tel : +91 4344 30 4202 / 4718 www.cumiceramics.come-mail: [email protected] Fax: +91 4344 30 4810

IndustrIal CeramICs dIvIsIonCARBORUNDUM UNIVERSAL LIMITED

CUMI Worldwide

CumI america Inc. Oakdale, Pa, uSa +1 724 218 1603CumI Canada Inc. Summerside, Canada +1 902 436 6500CumI Venlo eindhoven, netherlands +31 40 8427211CumI middle east F.Z.e ras al Khaimah, uae +971 7204 6181Foskor Zirconia (Pty) ltd. Phalaborwa, South africa +271 5789 2233Volzhsky abrasive Works Volgograd, russia +7 495 645 6866CumI abrasives and Ceramics Co. ltd. Yanjiao, China +86 316 5856080Wendt Grinding Technologies ltd. rayong, Thailand +66 38 955490CumI australia (Pty) ltd Carrington, australia +61 24940 0035

Authorised Distributors

arenas S.r.l. lima, Peru +51 01 5216672Hightech Ceram Blankenheim, Germany +49 2449 911003Hanse refractories ltd. Gyunggi do, Korea +82 31 351 0110Braas engineering manama, Bahrain +973 17701006 VJIKKS engg Power (m) Sdn. Bhd. Johor, malaysia +6 07 387 3821

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