| ASTM or UL TEST |
PROPERTY |
ACRYLIC |
| Physical |
| D792 |
Density (lb/in³) |
0.043 |
| |
(g/cm³) |
1.18 |
| D570 |
Water Absorption, 24 hrs (%) |
0.3 |
| Mechanical |
| D638 |
Tensile Strength (psi) |
8,000-11,000 |
| D638 |
Tensile Modulus (psi) |
350,000-500,000 |
| D638 |
Tensile Elongation at Break (%) |
2 |
| D790 |
Flexural Strength (psi) |
12,000-17,000 |
| D790 |
Flexural Modulus (psi) |
350,000-500,000 |
| D695 |
Compressive Strength (psi) |
11,000-19,000 |
| D695 |
Compressive Modulus (psi) |
|
| D785 |
Hardness, Shore D |
M80-M100 |
| D256 |
IZOD Notched Impact (ft-lb/in) |
0.3 |
| Thermal |
| D696 |
Coefficient of Linear Thermal Expansion (x 10^-5 in/in/˚F) |
9-May |
| D648 |
Heat Deflection Temp (˚F/˚C) |
150-210/ |
| |
at 264 psi |
65-100 |
| D3418 |
Melting Temp (˚F/˚C) |
/ |
| |
Max Operating Temp (˚F/˚C) |
150-200/ 65-93 |
| Thermal Conductivity |
| C177 |
(BTU-in/ft²-hr-˚F) |
3.9 |
| |
(x 10^-4 cal/cm-sec-˚C) |
1.2 |
| UL94 |
Flammability |
|
| Electrical |
| D149 |
Dielectric Strength (V/mil) short time, 1/8"
thick |
400 |
| D150 |
Dielectric Constant at 60 MHz |
4 |
| D150 |
Dissipation Factor at 60 MHz |
0.05 |
| Optical |
| |
Light Transmission, minimum (%) |
92 |
| |
Refractive Index |
1.48-1.50 |