A COMPLETE PRODUCTS FAMILLY FOR THE BEST ANTI-CORROSION SOLUTION

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ALKALINE RESULTSGLASS

Exposure to 2 M NaOH at 50C for 2 weeks

60,0

7,1

47,4

32,0

0,0

10,0

20,0

30,0

40,0

50,0

60,0

70,0

E-glass Advantex glass C-glass AR-glass

Mas

s lo

ss (

%)

>>C-glass fibres totally degraded after ex-posure, weighing not possible

0

5

10

15

20

25

0 100 200 300 400

Time of exposure, h

1 M NaOH, 30°C

Arcotex

Advantex

C-glass

E-glass

0

2

4

6

8

10

12

14

0 1 2 3 4 5 6

Concentration, M

NaOH, 30°C

Arcotex

Advantex

E-glass

C-glass

ACID RESULTSGLASS

MARKETS:

* RESIN ELEMENTS FOR CORROSION RESISTANCE

* RESIN ELEMENTS FOR CONSTRUCTION MARKET

FOR THE BEST ANTI-CORROSION COMPOSITE

Stops time!

FOR THE BEST ANTI-CORROSION COMPOSITE

Laminate results

Stress Corrosion Experiments1 M HCl at room temperature with

uniaxial and CSM laminates

Stress Corrosion of different uniaxial laminates in 1 M HCl at room temperature

0

200

400

600

800

1000

1200

0,0 0,1 1,0 10,0 100,0 1000,0 10000,0

log time to failure (log h)

Str

es

s (

MP

a)

uniaxial E-glass laminate

uniaxial Advantex-laminate

uniaxial Arcotex-laminate

?

Material failure,NO stress corrosion

Stress Corrosion of different CSM laminates in1 M HCl at room temperature

0

50

100

150

200

0,1 1,0 10,0 100,0 1000,0

log time to failure (log h)

Str

ess

(MP

a)

E-glass CSM laminate

Advantex CSM laminate

Arcotex CSM laminate

NO stress corrosion, material failure

0

500

1000

0,1 1 10 100 1000 10000 100000

Time to failure, h

Arcotex

E-glass (Vetrotex P243)

Advantex 111A

Arcotex

Advantex

E-glass(Vetrotex P243)

Ongoing, yet no failure

Uniaxial filament roving glass-fibre/Derakane 411-laminates, 1 M HCl, 25°C

1 month 1 year

Lower limitcurve Ongoing

Values at 26/Feb 2002

Comparison 1 M HCl 25°C - uniaxial laminates

0

50

100

150

200

0,1 1 10 100 1000 10000 100000

Time to failure, h

Arcotex

Advantex, M715

E-glass, Vetrotex M123

CSM glass-fibre/Derakane 411-laminates,

Ongoing, yet no failure

Advantex

Arcotex

E-glass

1 M HCl, 25°C

Comparison CSM laminates 1 M HCl 25°C

Stress corrosion of CSM-laminates

* E-glass and Advantex laminates sensitive to SC

* Arcotex does not seem to be sensitive to Stress Corrosion.

Comparison CSM/uniaxial E-glass

CSM,

Uniaxial,

E-glass, VetrotexDerakane 411-laminates

0

100

200

300

400

500

600

0,1 1 10 100 1000 10000 100000

Time to failure, h

1 M HCl, 25°C

Stress corrosion

fractures

Stress corrosion

fractures

1 month 1 year

Comparison CSM/uniaxial Advantex

1000

Uniaxial, CSM,

Advantex/Derakane 411-laminates

0

100

200

300

400

500

600

700

800

900

0,1 1 10 100 1000 10000 100000

Time to failure, h

1 M HCl, 25°C

Stress corrosionfractures

1 month 1 year

Stress corrosionfractures

o

Comparison CSM/uniaxial Arcotex

Time to failure, h

CSM

Uniaxial

Arcotex/Derakane 411-

laminates

0

250

500

750

1000

0,1 1 10 100 1000 10000 100000

1 M HCl, 25°C

Ongoing,2 samples

Ongoing,4 samples

1 month 1 year

Summary

Both uniaxial and CSM E-glass and Advantex laminate are sensitive to stress corrosion

Both uniaxial and CSM Arcotex laminates fail under too high loads, but NOT due to stress corrosion

FOR THE BEST ANTI-CORROSION COMPOSITE

Stops time!

PRODUCT RANGE

Chopping Roving.

Roving: 2450 tex(64 strands of 38 tex)

TISSUE - VEIL

35 gr/m2

High Resin Compatibility

Powder Chopped Strand MAT300 and 450 gr/m2

38 tex Individual Strand

Powder Chopped Strand MAT

1200 and 2400 tex.Others Tex possibilities

DIRECT ROVING