| SO. NO |
PROPERTIES |
UNIT |
SPECIFIED VALUE
AS PER IS:2046/95 |
TYPICAL VALUE |
| 1. |
THICKNESS |
|
2.0 ± 0.15 |
2.05 |
| |
|
MM |
2.5 ± 0.18 |
2.55 |
| |
|
|
3.0 ± 0.20 |
3.05 |
| 2. |
RESISTANCE TO IMMERSION IN BOILING WATER |
|
|
|
| |
(A) INCREASE IN WEIGHT |
% |
3.75 (MAX.) |
2.05 |
| |
(B) INCREASE IN THICKNESS |
% |
4.0 (MAX.) |
2.35 |
| |
(C) APPEARANCE |
GRADE |
NOT WORSE THAN 4 |
5 |
| 3. |
RESISTANCE TO DRY HEAT 180 Ċ |
GRADE |
NOT WORSE THAN 4 |
5 |
| 4. |
RESISTANCE TO CRAZING |
GRADE |
NOT WORSE THAN 4 |
COMPLIES |
| 5. |
RESISTANCE TO SURFACE WEAR |
REV. |
350 (MIN) |
410 |
| 6. |
RESISTANCE TO STAINING |
|
|
|
| |
(A) COFFEE |
GRADE |
NOT WORSE THAN 5 |
COMPLIES |
| |
(B) SHOE POLISH |
GRADE |
NOT WORSE THAN 5 |
COMPLIES |
| |
(C) CITRIC ACID (10% SOLUTION) |
GRADE |
NOT WORSE THAN 5 |
COMPLIES |
| |
(D) ACETONE |
GRADE |
NOT WORSE THAN 5 |
COMPLIES |
| |
(E) SODIUM HYDROXIDE (25% SOLUTION) |
GRADE |
NOT WORSE THAN 5 |
COMPLIES |
| |
(F) HYDROGEN PEROXIDE (30% SOLUTION) |
GRADE |
NOT WORSE THAN 5 |
COMPLIES |
| 7. |
DIMENSIONAL STABILITY AT L |
% |
0.30 (MAX.) |
0.20 |
| |
DEVIATED STABILITY T |
% |
0.65 (MAX.) |
0.30 |
| 8. |
DIMENSIONAL STABILITY L |
% |
0.20 (MAX.) |
0.10 |
| |
AT 20 Ċ |
% |
0.30 (MAX.) |
0.15 |
| 9. |
FLEXURAL MODULUS |
MPA |
10,000 (MIN.) |
12500 |
| 10. |
FLEXURAL STRENGTH |
MPA |
100 (MIN.) |
110 |
| 11. |
TENSILE STRENGTH |
MPA |
70 (MIN.) |
85 |
| 12. |
RESISTANCE TO CIGARETTE BURN |
GRADE |
NOT WORSE THAN 3 |
COMPLIES |
| 13. |
RESISTANCE TO STEAM |
GRADE |
NOT WORSE THAN 4 |
COMPLIES |
| 14. |
RESISTANCE TO MOISTURE |
GRADE |
NOT WORSE THAN 4 |
COMPLIES |
| 15. |
RESISTANCE TO SCRATCHING |
N (MIN)) |
2.0 (MIN) |
3.5 |
| 16. |
RESISTANCE TO COLOUR CHANGE |
|
|
|
| |
(A) IN XENON ARC LIGHT |
GRADE |
NOT WORSE THAN 6 |
COMPLIES |
| |
(B) IN ENCLOSED CARBON ARC LIGHT |
GRADE |
NOT WORSE THAN 5 |
COMPLIES |
| 17. |
RESISTANCE TO IMPACT BY LARGE |
MM. |
10 (MM) |
NO DAMAGE |
| |
DIAMETER BALLS |
(MAX.) |
|
|