colour society diploma in paint & printing ink technology
Post on 03-Oct-2021
5 Views
Preview:
TRANSCRIPT
INORGANICPIGMENTS
Topic :- II
COLOURANT
Natural Colourant:-
- Pigments (organic & inorganic) – Metal Oxides
- Dyes - Madder Lake
- Effect pigments - Fish Fins/ Pearl
Synthetic Colourant:-
- Inorganic pigments
- Azo classical pigments
- High performance pigment
- Effect pigment & Dyes
S . C . S R I VA S TAVA
K - T E C H ( I N D I A ) L I M I T E D
w w w. k t e c h i n d i a . n e t
COLOUR SOCIETY
Diploma in Paint & Printing Ink Technology
Lecture Series on colour and colourants (inorganic pigments, organic pigments, & dyes)
INORGANIC PIGMENT
o White, TiO2, ZnO
o Yellow – Chromes, Nickel
o Orange - Molybdate
o Red – Lead, Iron
o Blue – Prussium, UltraMine
o Green – Chromium
o Voilet - Ultramrine
DYES CHEMISTRIES
Acidic Dyes
Basic Dyes
Sulphur Dyes
Vat Dyes
Solvent Dyes
Metal complex Dyes
Disperse Dyes
Dope Dyes
Vinyl Sulphone Dyes
Thermochromic Dyes
Photo chromic Dyes
SYNTHETIC ORGANIC PIGMENT CHEMISTRIES - CLASSICAL AZO ORGANICS
Monoazo (PY 1, 3, 7, 64, 73, 97)
Disazo (PY 12, 13, 14, 17, 83, 41, 11)
Napthol As (PR 112, 146, 170, 210, 284)
Napthol B (PO2, PO5, PR1, PR3, PR4)
Pyrazolone (PO13,34, 37,38,41, 111)
BON Pigment lakes (PR48, 52, 53, 57, 64)
Napthol As lakes (PR151, 239, 240, 43, 247)
Benzimidazole (PY 120, 151, 154, 175, 180, PR194, 171, 175, 176)
Disazo condenstion (PY93, 94, 95, 128, 166, PR144, 166, 214)
A set of unit operation of chemical, engineering standard operating procedure.
o Raw materials (Host of chemicals &
intermediates)
o Formulation (As per Chemical class)
o Synthesis (Depends upon every
pigment class)
o Finishing (Post treatment)
o Filtration (Isolation of Pigments)
o Washing (Removal of unreacted
metal salt)
o Drying (Removal of Moisture <1%)
o Pulverizing (Size reduction)
o Blending (Complementary batches
for colouristic properties)
o Standardizing (For Application)
o QC & Check (Test standard, test
method, test equipment's, COA)
o Packing & Branding & Servicing
PIGMENT MANUFACTURING
PIGMENTS TECHNOLOGICAL PROPERTIES
o Chemical Structure
o Chemical Class
o Crystallinity
o Polymorphism
o Refractive Index
o Colouristic Properties
o Transparency/ Opacity
o Rheology
o Fastness Properties (Light, Weather)
o Resistance Properties (Heat, Chemical, Solvent)
o Functional Properties
PIGMENT PHYSICS - POLYMORPHISM
o Organic & Inorganic pigment are true crystalline particles, with specific
certain arrangements.
o X-ray diffraction & investigation reveal Crystalline structure These
different crystal types of same chemical molecule are called polymorphs.
o Existence
o Existence in different crystal types of a same chemical molecule are either
called polymorphism
o Pigments (organic & inorganic both) have several case of polymorphism
PIGMENT PHYSICS – CRYSTAL & POLYMORPHISM
o Cubic – ZnS Cds (Zinc blend lattice)
o Fe3O4Co Al2O3 ( Spinel
Lattice)
o Tetragonal – TiO2 Rutile
o Orthorhombic - goethite lattice (α Fe OOH)
o Hexagonal - Corundum lattice (αFe2O3Cr2O3)
o Mono clic – Monazite Lattice (PbCrO4)
o 𝛼 = Modification
o 𝛽 = Modification
o 𝛾 = Modification
o 𝛿 = Modification
o = Modification
o Anatase :- TiO2
o Routile
o tile :- TiO2
PIGMENT (PHYSICS)
o Crystal (Cubic, Tetragonal, Triclinic, Orhombic, Hexagonal, monoclinic, Trigonal)
o Crystal Size, Shape, distribution
o Particle
o Agglomerates
o Aggregates
o Lumps & Powder
o Surface area 𝑆 =6
𝜎𝛿o Surface Shape
o Surfaces & Corners
PIGMENT TESTING METHODS
o Specific gravity – ASTM D153-84, DIN 5313, IS 3493
o Bulk density – DIN 53194, ISO 787-11, DIN ISO 787
o Sieve residue – ASTM D 185
o Loss of ignition – ASTM D 1208
o Water Soluble – ASTM D 1208
o Volatile Matter - ASTM D 1208
o PH - ASTM D 1208
o Acidity/ Alkalinity - ASTM D 1208
o Moisture Content - ASTM D 1208
o Oil absorption – ASTM 1483/ ASTM D 28
o Fastness to solvent – DIN 54002
o Particle Size - DIN 53206
SYNTHETIC INORGANIC PIGMENT CHEMISTRIES
o ZrVSi (PB 71 – ZrVSiO4)
o CoZnAl2O4 (PB 72 –CoZnAl2O4)
o CoSi (PB 73 – Co2SiO4)
o CoZnSi (PB 74 – CoZnSiO4)
o CrZnSiAlMMO(PB 36 –Al2O3CrO3.ZnO2)
o CoSnMMO (PB55 –CoSnO2)
o TiO2 (PW - 6)
o ZnO (BaSO4–ZnS )(PW5)
o Ca (PW-18)
o Si (PW - 27)
o Fe ( PR – 101, PB 27)
o Cr (PG0 - 18) (PG – 17)
o Pb (PY – 34) (PR – 104)
o Bi (P 184)
o C(PB7)
INORGANIC WHITE PIGMENT - 1
Manufacturing:- carbonation of lead mono oxide precipitation on
process.
Properties:- RI:- 1.94 – 2.09 Isolate now due to lead restriction
Application:- Exterior Oil Based Primer For Wood, Water Pipe Lines Artist
Colours.
Details
CI Pigment White 1
Type Inorganic Pigment
CI No 77597
CAS No 1344-36-1
Chemical class Basic Lead Carbonate
Hue White
Chemical Structure 2PbCO3.Pb(OH) / 4PbCO3.2Pb(OH)2PbO
INORGANIC WHITE PIGMENT - 4
o Manufacturing:- 1) Zn + Co + O2 → ZnO + CO2
Zinc vapor & Carbon Mono oxide are Oxidized to Zn2 & CO2
2) 2Zn + O2 → 2ZnO (Zinc Vapors Oxidized)
Details
CI Pigment White 4
Type Inorganic Pigment
CI No 77947
CAS No 1314-13-2
Chemical class Zinc Oxide
Hue White
Chemical Structure ZnO
INORGANIC WHITE PIGMENT - 4
o Application:- Limited use in exterior paints wood primers, metal
primers.
As preservative, Mildew resistance, Hospital paints,
Artistic colour, Photo copy papers
Properties Range
Particle Shape Acicular Type
Particle size 0.1 – 0.8𝜇
Surface area 20 – 35 Sq.m/gm
Oil absorbance 10 – 20
Acid Resistance Poor
Alkali Resistance Good
Water Resistance Good
UV Absorbance Excellent
INORGANIC WHITE PIGMENT - 5
o Manufacturing:-
(45% ZnS) 4ZnCl2+Na2SO4+BaS →2ZnS+BaSO4+3BaCl2+2BaCl
(62.5% ZnS) ZnSO4+3ZnCl2+4BaSO4 →4ZnS+3ZnSO4+3BaCl2
Details
Type Inorganic Pigment
CI No 77115
CAS No 1345-05-7
Chemical class Lithopone
Hue White
Chemical Structure BaSO4ZnSO4; BaSO4 (72%Max) ZnS (28-40%)
INORGANIC WHITEPIGMENT - 5
o Properties:- Strong absorbance in blue region, good for UV curable Zn – responsible for algaecide in exterior.
o Application:- Paints, Coatings, Printing Inks.
Properties Range
Specific Gravity 4.2 – 4.3
Particle shape Spherical
Surface area <10 Sq.m/gm
Oil absorbance 10 – 20
Refractive index 1.84
INORGANIC WHITE PIGMENT - 6
o Type :- Inorganic Pigment
o CI No:- 77891
o CAS No:- 13463-67-7
o Chemical class :- Titanium Dioxide
o Hue:- White
o Chemical Structure:- TiO2
o Manufacturing:-
1. Sulphate Process:- FeOTiO2+2H2SO4→TiSO4+FeSO4+2H2O
TiSO4+2H2O → TiO(OH)2+H2SO4
TiO(OH)2 → TiO2+2Cl2
2. Chloride Process:- TiO2+C2Cl2 → TiCl4+CO2
TiCl4+O2 → TiO2+2Cl2
INORGANIC WHITE PIGMENT - 6
Properties:-
Application:- As Prime opacifier in paints, coatings, Printing
inks, Plastics, Rubber, Artistic Colour.
Anatase Rutile
Colour White (Bluish) White (Yellowish)
Refractive index 2.55 2.71 – 2.76
LF & WF Chalking Non-Chalking
Particle size 0.3 0.2-0.3
Surface area 10 m²/gm 10 m²/gm
Hardness 5 - 6 6 – 7.5
INORGANIC WHITEPIGMENT - 7
Manufacturing:-
Calcined Zinc Sulphate precipitated from solution of
Sodium Sulphate & Zinc Sulphate
Details
Type Inorganic Pigment
CI No 77975
CAS No 1314-98-3
Chemical class Zinc Sulphide
Hue White
Chemical Structure ZnS
INORGANIC WHITE PIGMENT - 7
Properties:- Soft Texture, Low abrasion
Application:- Abrasion free, Printing Inks, Extra White, Stoving Paint, FRP Plastics.
Properties Range
Particle Shape Spherical
Particle size 0.25 – 0.4𝜇
Surface area 6 – 10 Sq.m/gm
Oil absorbance 10 – 16
Acid Resistance Poor
Alkali Resistance Poor
Water Resistance Good
Hydrocarbon Absorbance Good
Refractive Index 2.37
INORGANIC WHITEPIGMENT - 18
Manufacturing:-
Ore-Chalk/ Lime Stone, Marble Calcite Solution
carbonates & precipitated
Details
Type Inorganic Pigment
CI No 77220
CAS No 471-34-1
Chemical class Calcium Carbonate
Hue White
Chemical Structure CaCO3
INORGANIC WHITE PIGMENT - 18
Properties Calcite Argonite
Particle Shape Trigonal Orthimbic
Particle Size 0.05-1.0 0.05-1.0
RI 1.6 1.65
Density 2.9 2.7
Hardness 3 4
Oil Absorption 20-50 20-50
oApplication:- Most widely used extender in Paints, Printing Inks,
Plastic, Rubber, Artistic Colour, Concentration.
INORGANIC WHITE PIGMENT - 19
Manufacturing:- Natural hydrated aluminum silicate air classification, water washing, delaminating, calcination
Details
China Clay Kaolin
Type Inorganic Pigment
CI No 77004
CAS No 1332-58-7
Chemical class Aluminum Silicate/ China Clay
Hue White
Chemical Structure Al2O32SiO22H2O
INORGANIC WHITE PIGMENT - 19
Properties:- Kaolin Natural Kaolin Calcination
Dulk Density 2.2-2.7 2.5-2.63
Particle Size 0.05 - 5 0.8 – 1.4
pH 7.5 – 8.5 5 - 6
Oil Absorption 20-50 50-95
Refractive Index 1.56 1.62
oApplication:- Mg Paper, Rubber, Latex Paint, Prime, Screen Inks
INORGANIC WHITE PIGMENT - 21
• Manufacturing:- By converting natural barites to soluble
sulphide or Chloride salt & reprecipitating
Details
Pigment White Barium Sulphate
Type Inorganic Pigment
CI No 77120
CAS No 7727-43-7
Chemical class Barium Sulphate
Hue White
Chemical Structure BaSO4
INORGANIC WHITEPIGMENT – 21
Application:- Strength modifier for pigment pharma (X-ray
analysis) Chemical resistant coating screen printing
inks, photographic papers.
Properties Range
Crystal Shape Rhombic
Crystal size 0.7 – 4.0𝜇
Surface area < 3.5 Sq.m/gm
Hardness 3
Oil absorption 10 – 20
Specific Gravity 4.25 – 4.5
Refractive Index 1.63
INORGANIC WHITE PIGMENT - 26
• Manufacturing:-Talc/ Soap Stone/French /Chalk /Stealtile are
mined
Details
Type Inorganic Pigment
CAS No 8005-37-6
Chemical class Magnesium Silicate
Hue White
Chemical Structure 3MgO3.4SiO2.H2O
INORGANIC WHITE PIGMENT - 26
Application:- Primers, enamels, textures, structural paints, metal
under coats exterior white, gloss enamel printing inks.
Properties Range
Particle Shape Needle Type
Particle size 1 -19𝜇
Surface area 3 – 20 Sq.m/gm
Oil absorption 23 – 50
Fastness to Acid Good
Fastness to Alkali Good
Fastness to Solvent Good
Hardness 1 – 2
Refractive Index 1.54 – 1.59
INORGANIC WHITE PIGMENT - 27
Composition :- % Total SiO2 % Crystalline SiO2
Microcrytaline 99.5 20 – 35
Diatomic silica 86.0 50 – 70
Quartz 99.7 99.7
Precipitated Silica 87 0
Pyrogenic Silica 98 0
Details
Type Inorganic Pigment
CI No 77811
CAS No 61790-53-2
Chemical class Silicon dioxide
Hue White/ creamy white
Chemical Structure SiO2 X H2O
INORGANIC WHITE PIGMENT - 27
Properties Quartz Crystalline
Quartz Amorphous
DiatomeceousSilica
Specific Gravity 2.65 2.75 2.0
Oil Absorption 25 - 35 25 – 35 130 – 160
Surface area 4 – 6 1 – 2 Very High >200
Refractive Index 2 – 5 𝜇 1.5 – 10 𝜇 4 – 10 𝜇
Fastness to Acid Good Good Good
Fastness to Alkali Good Good Good
Fastness to Solvent Good Good Good
o Application:- Matt Paints, Fillers, Low Cost, Filter aid, Abrasives, Ceramics
INORGANIC WHITE PIGMENT - 32
Manufacturing:-
Zinc Orthophosphate produced by reacting zinc
oxide with phosphoric acid.
Details
Type Inorganic Pigment
CI No 77964
CAS No 7779-90-0
Chemical class Zinc Phosphate
Hue White
Chemical Structure Zn3 (PO4)2
INORGANIC WHITE PIGMENT - 32
Properties:- Corrosion inhibitor White Pigment
Application:-
Corrosion inhibiting paint formulation, metal primer, coating,
construction chemical, ship paints, Corrosion resistant primer
Properties Range
Hardness 3 - 4
Acid Resistance Good
Alkali Resistance Good
Water Resistance Good
INORGANIC YELLOW – PY 31
Details
CI Pigment 31
Type Inorganic Pigment
CI No 77103
CAS No 10294-40-3
Hue Yellow
Chemical Class Zinc Tetroxychromate
Chemical Structure ZnO.CrO3.4H2O
INORGANIC YELLOW – PY 31
Technical Properties
Particle Shape Needle
Particle Size 1 – 2
Resistances to Acid Poor
Resistances to Alkali Poor
Resistances to Solvent Good
Resistances to Water Good
o Application:- Industrial coating & Paints restricted dur to lead & chromium.
INORGANIC YELLOW – PY 32
Details
CI Pigment 32
Type Inorganic Pigment
CI No 77839
CAS No 7789-06-2
Hue Yellow
Chemical Class Strontium Chromate
Chemical Structure SrCrO4
INORGANIC YELLOW – PY 32
Technical Properties
Particle Shape Needle
Particle Size 1 – 2
Resistances to Acid Poor
Resistances to Alkali Poor
Resistances to Solvent Good
Resistances to Water Good
o Application:- Industrial coating & Paints restricted dur to lead & chromium.
INORGANIC YELLOW – PY 33
Details
CI Pigment 33
Type Inorganic Pigment
CI No 77223
CAS No 13765-19-0
Hue Yellow
Chemical Class Calcium Chromate
Chemical Structure CaCrO4.2H2O
INORGANIC YELLOW – PY 33
Technical Properties
Particle Shape Needle
Particle Size 1 – 2
Resistances to Acid Poor
Resistances to Alkali Poor
Resistances to Solvent Good
Resistances to Water Good
o Application:- Industrial coating & Paints restricted dur to lead & chromium.
INORGANIC YELLOW – PY 34
Details
CI Pigment 34
Type Inorganic Pigment
CI No 77600
CAS No 1344-37-2
Hue Yellow
Chemical Class Lead Chromate
Chemical Structure PbCrO4
INORGANIC YELLOW – PY 34
Technical Properties
Particle Shape Rod
Particle Size 1 – 2
Resistances to Acid Poor
Resistances to Alkali Poor
Resistances to Solvent Good
Resistances to Water Good
o Application:- Industrial coating & Paints restricted dur to lead & chromium.
INORGANIC YELLOW – PY 36:1
Details
CI Pigment 36:1
Type Inorganic Pigment
CI No 77103
CAS No 10294-40-3
Hue Yellow
Chemical Class Zinc Tetroxychromate
Chemical Structure ZnCrO4
INORGANIC YELLOW – PY 36:1
Technical Properties
Particle Shape Cubic
Particle Size 0.2 – 0.5
Resistances to Acid Poor
Resistances to Alkali Poor
Resistances to Solvent Good
Resistances to Water Good
o Application:- Industrial coating & Paints restricted dur to lead & chromium.
INORGANIC YELLOW - PY37
Details
CI Pigment 37
Type Inorganic Pigment
CI No 77199
CAS No 1306-23-6
Hue Yellow
Chemical Class Cadmium Yellow
Chemical Structure CdS
INORGANIC YELLOW - PY37
Technical Properties
Particle Size 1 – 2 𝜇
Oil absorption 16 - 30
Fastness to Acid Poor
Fastness to Alkali Good
Fastness to Water Good
Fastness to Solvent Good
o Application:- Coatings, primers, industrial paints, enamel
INORGANIC YELLOW - PY37.1
Details
CI Pigment 37.1
Type Inorganic Pigment
CI No 77199:1
CAS No 90604-90-3
Hue Yellow
Chemical Class Cadmium Yellow
Chemical Structure CdS:BsSO4
INORGANIC YELLOW - PY37.1
Technical Properties
Particle Size 1 – 2 𝜇
Oil absorption 16 - 30
Fastness to Acid Poor
Fastness to Alkali Good
Fastness to Water Good
Fastness to Solvent Good
o Application:- Coatings, primers, industrial paints, enamel
INORGANIC YELLOW - PY38
Details
CI Pigment 38
Type Inorganic Pigment
CI No 77878
CAS No 1315-01-1
Hue Yellow
Chemical Class Stannous Sulphide
Chemical Structure SnS2
INORGANIC YELLOW - PY38
Technical Properties
Particle Size 1 – 2 𝜇
Oil absorption 15 - 30
Fastness to Acid Good
Fastness to Alkali Good
Fastness to Water Good
Fastness to Solvent Good
o Application:- Coatings, primers, industrial paints, enamel
INORGANIC YELLOW – PY41
Details
CI Pigment 41
Type Inorganic Pigment
CI No 77878
CAS No 8012-00-8
Hue Yellow
Chemical Class Antimony Yellow
Chemical Structure Pb2O3
INORGANIC YELLOW – PY41
Technical Properties
Particle Size 1 – 2 𝜇
Oil absorption 20 – 40
Fastness to Acid Good
Fastness to Alkali Good
Fastness to Water Good
Fastness to Solvent Good
o Application:- Coatings, primers, industrial paints, enamel
INORGANIC YELLOW – PY42
Details
CI Pigment 42
Type Inorganic Pigment
CI No 77492
CAS No 51274-00-1
Hue Yellow
Chemical Class Iron Oxide
Chemical Structure Fe2O3 • H2O
INORGANIC YELLOW – PY42
Technical Properties
Particle Size 1 – 2 𝜇
Oil absorption 15 – 35
Fastness to Acid Good
Fastness to Alkali Good
Fastness to Water Good
Fastness to Solvent Good
o Application:- Coatings, primers, industrial paints, enamel
INORGANIC YELLOW – PY43
Details
CI Pigment 43
Type Inorganic Pigment
CI No 77492
CAS No 64294-91-3
Hue Yellow
Chemical Class Iron Oxide
Chemical Structure Fe2O3 • H2O
INORGANIC YELLOW – PY43
Technical Properties
Particle Size 1 – 2 𝜇
Oil absorption 15 – 35
Fastness to Acid Good
Fastness to Alkali Good
Fastness to Water Good
Fastness to Solvent Good
o Application:- Coatings, primers, industrial paints, enamel
INORGANIC RED – PR101
Details
CI Pigment 101
Type Inorganic Pigment
CI No 77105
CAS No 1309-371
Hue Yellow Brick Red
Chemical Class Iron Oxide
Chemical Structure Al2(SiO3)3•Fe2O3
INORGANIC RED – PR101
Technical Properties
Particle Size 1 – 2 𝜇
Oil absorption 15 – 25
Fastness to Acid Poor
Fastness to Alkali Poor
Fastness to Water Good
Fastness to Solvent Good
o Corporation:- Fe2O3 = 45 – 60% / SiO2 = 15 – 40% o Application:- Enamel, Coatings, Paints, Metal Decorative
inks.
INORGANIC RED – PR108
Details
CI Pigment 108
Type Inorganic Pigment
CI No 77202
CAS No 58339-34-7
Hue Cadmium Red
Chemical Class Reddish Orange
Chemical Structure CdS. CdSe/ CdSe
INORGANIC RED – PR108
Technical Properties
Particle Size 1 – 2 𝜇
Oil absorption 17 – 21
Fastness to Acid Good
Fastness to Alkali Good
Fastness to Water Good
Fastness to Solvent Good
o Corporation:- CdS = 65 – 87% / CdSe = 15 – 35% o Application:- Enamel, Coatings, Paints, Metal Decorative inks.
INORGANIC RED – PR104
Details
CI Pigment 104
Type Inorganic Pigment
CI No 77605
CAS No 12656-85-8
Hue Brick Red
Chemical Class Chromate moly Orange
Chemical Structure PbCrO. PbMoO4. PbSO4
INORGANIC RED – PR104
Technical Properties
Particle Size 0.15 – 1.5 𝜇
Oil absorption 14 – 22
Fastness to Acid Good
Fastness to Alkali Good
Fastness to Water Good
Fastness to Solvent Good
o Application:- Enamel, Coatings, Paints, Metal Decorative inks.
INORGANIC BLUE – PB27
Details
CI Pigment 27
Type Inorganic Pigment
CI No 77510
CAS No 12240-15-2
Hue Blue
Chemical Class Ferriferrocyniol
Chemical Structure Fe4 -[Fe(CN)6]3 . H2O
INORGANIC BLUE – PB27
Technical Properties
Three types Milori (Least reaction)Chinese (deep Mantone)Pruusian jet Blue MT
Acid Resistance Good
Alkali Resistance Poor
Tendency to Bronzing
Tencency to absorb moisture (good for fire resistance AIP, Smouldering)
o Manufacturing:- Ferric ammonium, Ferrocynide, Precipitatedly, Reacting ferrocynide with sulphate & with Dichromate
o Application:- Paint, Printing inks, coatings, screen inks, crayon, Artistic colours.
INORGANIC BLUE – PB29
Details:-
CI Pigment 29
Type Inorganic Pigment
CI No 77007
CAS No 57455-37-5
Hue Blue Bright Dark
Chemical Class Silicate
Chemical Structure Na7A6Si6O24S3
Heat Stability 400ºC
INORGANIC BLUE – PB29
Technical Properties
Particle Size 0.5 – 1 𝜇
Shape Cubic Aeolite
Oil Absorbance 28 - 35
Fastness to Acid Good
Fastness to Alkali Poor
Fastness to Solvent Good
Fastness to Water Good
LF Good
o Application:- Paint, Printing inks, Coatings, Metal décor inks, Screen Ink
INORGANIC BLUE – PB 72
Details
CI Pigment 72
Type Inorganic Pigment
CI No 77347
CAS No 68186-87-8
Hue Bright Blue
Chemical Class Mix Metaloxide (MMO)
Chemical Name Cobalt Zinc Aluminate
Chemical Structure (Co,Zn)Al2O4
o Application:- Ceramics Glazes, Artistic colour
INORGANIC BLUE – PB 73
Details
CI Pigment 73
Type Inorganic Pigment
CI No 77364
CAS No 68187-40-6
Hue Edish Navy Blue
Chemical Class Mix Metaloxide
Chemical Name Cobalt Aluminate
Chemical Structure Co2SiO4
Application:- Ceramics Glazes, Artistic colour
INORGANIC BLUE – PB 74
Details
CI Pigment 74
Type Inorganic Pigment
CI No 77366
CAS No 68412-74-2
Hue Blue
Chemical Class Mix Metaloxide
Chemical Name Cobalt Zinc Silate
Chemical Structure Co2SiO4
Application:- Ceramics Glazes, Artistic colour
INORGANIC GREEN– PG17
Details
CI Pigment 17
Type Inorganic Pigment
CI No 77288
CAS No 1308-38-9
Crystal Structure Crystalline Henatite
Chemical Class Metaloxide
Chemical Structure Cr2O3
INORGANIC GREEN– PG17
Technical Properties
Particle Size 0.4 – 0.75 𝜇
Surface Area 4 – 10 Sq.m
Oil absorption 14 – 25
Fastness to Acid Good
Fastness to Alkali Good
Fastness to Water Good
Fastness to Solvent Good
Light Fastness Good
Acid/ Alkali Excellent
o Application:- Ceramics, Cement plaster, Rubber, Industrial Coatings, Artisti Colour, Militery camflouge Coating, Porceleanenamels, Packaging Inks, Postor Colour, Currency note Inks.
INORGANIC BLACK – PB7
Details
CI Pigment Black 7
Type Inorganic Pigment
CI No 77266
CAS No 215-609-9
Hue Black
Chemical Class Carbon Black
pH 2 - 9
Application:- Paints, Printing Inks, Plastics, Rubber
INORGANIC BLACK – PBK7
Technical Properties
Three types Furnace BlackGas BlackOil Black
Acid Resistance Good
Alkali Resistance Good
LF Good
WF Good
Application:- Paints, Printing Inks, Plastics, Rubber
top related