| OPTICAL PROPERTIES |
Test |
Value |
| Light Transmittance |
ASTM D-1003 |
98% |
| Parallel Light Transmittance |
ASTM D-1003 |
97.9% |
| Haze |
ASTMD-1003 |
0.001% |
| Reflection Value |
AT 550 nm |
<0.5% |
|
|
|
| PHYSICAL PROPERTIES |
|
|
| Specific Gravity |
ASTM D-792 |
1. 19g/cm3 |
| Elongation |
ASTMD-638 |
5% |
| Flexural Rupture Strength |
ASTM D-790 |
800kg/cm2 |
| Heat Distortion Temperature |
ASTM D-648 |
110 C |
| Maximum Recommended Permanent Temperature |
|
80 C |
| Coefficient of Thermal Expansion |
ASTM D-696 |
7x10 -5/ C |
| Heat Resistance |
100hr at 80 C |
No Change |
| Cold Resistance |
1OOhr at -40 C |
No Change |
| Humidity Resistance |
40 C at 90% x 1OOhr |
No Change |
| Thermal Wear |
-40 C -80 C
(10 cycles) |
No Change |
| UV Resistance |
100 hr |
No Change |
| Pencil Hardness |
|
6H-8H |
|
|
|
| CHEMICAL RESISTANCE |
|
|
| Against: |
Change in Appearance |
|
| Isopropyl Alcohol |
No Change |
|
| Soapwater Solution |
No Change |
|
| Sodium Carbonate |
Dissolved |
|
| Sulfuric Acid |
Dissolved |
|
| Water |
No Change |
|