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Polycarbonate Sheet General Purpose
Technical Data
| Property |
ASTM
Method |
Units |
Results |
| Specific
Gravity |
D-792 |
|
1.2 |
| Optical |
| Refractive Index |
D-542 |
|
1.586 |
| Light Transmittance |
D-1003 |
% |
85-91 |
| Haze |
D-1003 |
% |
0.5-2.0 |
| Mechanical |
| Tensile
Strength |
D-638 |
|
|
| Ultimate |
D-638 |
psi |
9,500 |
| Yield |
D-638 |
psi |
8,400 |
| Elongation |
D-638 |
% |
100 |
| Tensile
Modulus |
D-638 |
psi |
340,000 |
| Flexural
Strength |
D-790 |
psi |
13,500 |
| Flexural
Modulus |
D-790 |
psi |
340,000 |
| Compressive
Strength (0.05*/minute) |
D-695 |
psi |
12,500 |
| Impact
Strength |
| Izod
(1/8" notched) |
D-256 |
ft-lbs/ |
16 |
| Rockwel
Hardness |
D-785 |
|
R118 |
| Shear
Strength |
D-732 |
psi |
5,800 |
| Thermal |
| Temperature
Range |
|
|
|
| Dry Air |
|
250°F-270°F |
|
| Water |
|
140°F |
|
| RH Air |
|
100% |
|
| Heat
Deflection Temperature |
|
|
|
|
Under Load, 264 psi |
D-648 |
°F |
275 |
|
66 psi |
D-648 |
°F |
285 |
| Coefficient of
Thermal Expansion |
D-696 |
in/in/°F |
3.8 x 10-5 |
| Coefficient of
Thermal Conductivity |
C-177 |
BTU/hr/sq. ft/ |
1.35 |
|
|
°F/in |
|
| Specific Heat |
|
BTU/lb/°F |
0.3 |
| Water Absorption (24
hrs at 73°F)* |
D-570 |
% |
0.15 |
| Electrical |
| Dielectric Constant |
D-149 |
volts/mil |
380 @ 25°C |
|
Test at .125" Thick |
|
|
450 @ 100°C |
| Dielectric Constant |
D-150 |
|
|
| 60Hz |
|
|
2.9 |
| 1,000,000
Hz |
|
|
2.9 |
| Volume
Resistivity at 23°C |
D-257 |
ohm/cm |
1016 |
| *Test
performed on .125" thick specimens; all other test specimens were
.250" thick |
| |
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