TYPICAL PROPERTIES of ACRYLIC/PMMA
| PHYSICAL |
Density (lb/in^3)
(g/cm^3) |
0.043
1.18 |
| Water Absorption, 24 hrs (%) |
0.3 |
| MECHANICAL |
| Tensile Strength (psi) |
8,000 - 11,000 |
| Tensile Modulus (psi) |
350,000 - 500,000 |
| Tensile Elongation at Break (%) |
2 |
| Flexural Strength (psi) |
12,000 - 17,000 |
| Flexural Modulus (psi) |
350,000 - 500,000 |
| Compressive Strength (psi) |
11,000 - 19,000 |
| Compressive Modulus (psi) |
- |
| Hardness, Rockwell |
M80 - M100 |
| IZOD Notched Impact (ft-lb/in) |
0.3 |
| THERMAL |
Coefficient of Linear Thermal Expansion
(x 10-5 in./in./°F) |
5 - 9 |
Heat Deflection Temp (°F / °C)
at 264 psi |
150-210 / 65-100 |
| Melting Temp (°F / °C) |
265-285 / 130-140 |
| Max Operating Temp (°F / °C) |
150-200 / 65-93 |
Thermal Conductivity
(BTU-in/ft^2-hr-°F)
(x 10-4 cal/cm-sec-°C) |
3.9
1.2 |
| Flammability Rating |
- |
| ELECTRICAL |
| Dielectric Strength (V/mil) short time, 1/8" thick |
400 |
| Dielectric Constant at 60 Hz |
4.0 |
| Dissipation Factor at 60 Hz |
0.05 |
| OPTICAL |
| Light Transmission, minimum (%) |
92 |
| Refractive Index |
1.48-1.50 |
** NOTE: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers' complete material property datasheets.
|
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