- 吸水率 [%]: 0.2
- 拉伸强度 [MPa]: 77.57
- 弯曲模量 [MPa]: 3.28
- 透光率 [%]: 92.0
Physical Properties | Metric | English | Comments | ||
---|---|---|---|---|---|
Specific Gravity | 1.19 g/cc | 1.19 g/cc | ASTM D792 | ||
Water Absorption | 0.20 % | 0.20 % | 24 hr immersion | ||
Water Absorption at Saturation | 0.65 % | 0.65 % | 26 day immersion | ||
Mechanical Properties | Metric | English | Comments | ||
Hardness, Barcol | 50 | 50 | ASTM D2583 | ||
Hardness, Rockwell M | 98 | 98 | ASTM D785 | ||
Tensile Strength, Yield | 77.57 MPa | 11250 psi | ASTM D638 | ||
Elongation at Break | 6.4 % | 6.4 % | ASTM D638 | ||
Flexural Strength | 105.1 MPa | 15250 psi | ASTM D790 | ||
Flexural Modulus | 3.28 GPa | 475 ksi | ASTM D790 | ||
Compressive Yield Strength | 124 MPa | 18000 psi | ASTM D695 | ||
Compressive Modulus | 3.03 GPa | 440 ksi | ASTM D695 | ||
Shear Strength | 62.1 MPa | 9000 psi | ASTM D732 | ||
Compression Set | 0.75 % @Temperature 50.0 °C | 0.75 % @Temperature 122 °F | 4000 psi, 24 hr (Compression Deformation); ASTM D621 | ||
Thermal Properties | Metric | English | Comments | ||
CTE, linear | 75.6 µm/m-°C @Temperature 20.0 °C | 42.0 µin/in-°F @Temperature 68.0 °F | ASTM D696 | ||
Specific Heat Capacity | 1.46 J/g-°C @Temperature 25.0 °C | 0.350 BTU/lb-°F @Temperature 77.0 °F | Dupont 900 (Therm. An. Cal.) | ||
Thermal Conductivity | 0.187 W/m-K | 1.30 BTU-in/hr-ft²-°F | Cento-Fitch | ||
Maximum Service Temperature, Air | 82.2 °C | 180 °F | |||
Deflection Temperature at 1.8 MPa (264 psi) | 102 °C | 216 °F | ASTM D648 | ||
Flammability Test | 1.2 | 1.2 | in/min, Burning Rate UL 94 HB; ASTM D635 | ||
Flash Point | 443 °C | 830 °F | Self Ignition Temperature; ASTM D1929 | ||
Shrinkage | <= 1.0 % | <= 1.0 % | Residual Shrinkage (Internal Strain) Polycast Mil Spec; ASTM D4802 | ||
Optical Properties | Metric | English | Comments | ||
Refractive Index | 1.49 | 1.49 | ASTM D542 | ||
Haze | <= 0.50 % | <= 0.50 % | As Cast; ASTM D1003 | ||
<= 0.50 % | <= 0.50 % | After 1000 hrs. Accelerated Weathering (No effect on Crazing, Discoloration, or Warping); ASTM D1449 | |||
Transmission, Visible | 92 % | 92 % | As Cast; ASTM D1003 | ||
92 % | 92 % | After 1000 hrs. Accelerated Weathering; ASTM D1449 | |||
UV Transmittance | 0.00 % @Wavelength 320 nm | 0.00 % @Wavelength 320 nm | |||
Processing Properties | Metric | English | Comments | ||
Processing Temperature | 160 °C | 320 °F | Hot Forming Temperature | ||
Descriptive Properties | |||||
Craze Resistance to IPA (Dry) | 2100 psi | Mil-P-8184 | |||
Craze Resistance to IPA (Wet) | 1000 psi | Mil-P-8184 | |||
Craze Resistance to Lacquer Thinner (Dry) | 1100 psi | Mil-P-8184 | |||
Craze Resistance to Lacquer Thinner (Wet) | 0 psi | Mil-P-8184 | |||
Craze Resistance to Sulfuric Acid (Dry) | 0 psi | Mil-P-8184 | |||
Craze Resistance to Sulfuric Acid (Wet) | 0 psi | Mil-P-8184 | |||
Smoke Density | 27% | ASTM D2843 |