| PROPERTY |
TYPICAL VALUE (1) |
TEST METHOD |
| Specific Gravity |
1.18 |
ASTM D792 |
| OPTICAL |
|
|
| Optical Refractive Index |
1.49 |
ASTM D542 |
| Haze (%) |
2.0 MAX. |
ASTM D542 |
| Light Transmission (%) |
|
|
| 0.100" 0.197" |
92 |
ASTM 1003 |
| 0.220" 0.472" |
90 |
ASTM 1003 |
| MECHANICAL |
|
|
| Tensile Strength (psi) |
9600 |
ASTM D638 |
| Elongation at Rupture (%) |
4.5 |
ASTM D638 |
| Modulus of Elasticity (psi) |
425,000 |
ASTM D798 |
| Impact Strength (ft Ib/in) |
0.4 -0.5 |
ASTM 256 |
| Izod Milled Notch |
|
|
| Flexural Strength (psi) |
15000 16000 |
ASTM D798 |
| Compressive Strength (yield) |
18000 psi |
ASTM D 695 |
| Shear Strength |
9000 psi |
ASTM D 732 |
| Rockwell Hardness |
M95 |
ASTM D 785 |
| Barcol Hardness |
50 |
ASTM D 2583 |
| Residual Shrinkage (Internal Strain) |
2% |
ASTM D 702 |
| THERMAL |
|
|
| Forming Temperature(°C) |
140 180 |
|
| (°F) |
284 356 |
|
| Deflection Temperature(°C) |
91 |
ASTM 648 |
| Under Load (264 psi) (°F) |
196 |
ASTM 648 |
| Maximum recommended(°C) |
80 |
- |
| continuous service temp(°F) |
176 |
- |
| Vicat softening point (°C) |
115 |
ASTM D 1525 |
| (°F) |
239 |
|
| Coefficient of Linear Thermal Expansion |
|
|
| .000034 in/in-°F |
ASTM D 696 |
|
| Coefficient of Thermal Conductivity (k-Factor) |
|
|
| 1.3 BTU/(HR)(sq ft)(°F/in) |
CENCO-FITCH |
|
| Flammability (Burning Rate 3mm Thickness) |
|
|
| 1.0 in/min. (25 mm/min.) |
ASTM D |
|
| Self Ignition Temperature |
910°F (490°C) |
ASTM D 1929 |
| Specific Heat @ 77°F |
0.35 BTU/(lb)(°F) |
- |
| Smoke Density Rating |
10% |
ASTM D 2843 |
| ELECTRICAL |
|
|
| Dielectric Strength Short Time (0.125" thickness)
|
|
|
| 430 volts/mil (17KV/mm) |
ASTM D 149 |
|
| Dielectric Constant |
|
|
| 60 Hertz |
3.5 |
ASTM D 150 |
| 1,000 Hertz |
3.2 |
|
| 1,000,000 Hertz |
2.7 |
|
| Dissipation Factor |
|
|
| 60 Hertz |
0.06 |
ASTM D 150 |
| 1,000 Hertz |
0.04 |
|
| 1,000,000 |
0.02 |
|
| Volume Resistivity |
1.6 X 10(16th)ohm-cm |
ASTM D 257 |
| Surface Resistivity |
1.9 X 10(15th) ohms |
ASTM D 257 |
| MISCELLANEOUS |
|
|
| Water absorption(%) |
0.2 0.3% |
ASTM 570 |
| (24 hrs. C 23°C73°F) |
|
|
| Odor |
None |
- |
| Taste |
None |
- |
