- 密度 [g/cm3]: 0.481
- 吸水率 [%]: 5.0
- 拉伸强度 [MPa]: 103.0
- 脆化温度 [℃]: -40.0
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 0.481 g/cc | 0.0174 lb/in³ | ASTM D3574-95 Test A |
1.395 g/cc | 0.05040 lb/in³ | Supporting Material; ASTM D1505 | |
Water Absorption | 5.0 % | 5.0 % | Immersion; ASTM D570-95 |
Moisture Absorption at Equilibrium | 2.0 % | 2.0 % | High Humidity; AMS 3568-95 |
Thickness | 305 microns | 12.0 mil | |
Outgassing - Total Mass Loss | 0.060 % @Temperature 125 °C, Time 86400 sec | 0.060 % @Temperature 257 °F, Time 24.0 hour | CVCM; at 7000 Pa; ASTM E595-93 |
0.43 % @Temperature 125 °C, Time 86400 sec | 0.43 % @Temperature 257 °F, Time 24.0 hour | WVR; at 7000 Pa; ASTM E595-93 | |
0.90 % @Temperature 125 °C, Time 86400 sec | 0.90 % @Temperature 257 °F, Time 24.0 hour | TML; at 7000 Pa; ASTM E595-93 | |
Mechanical Properties | Metric | English | Comments |
Hardness, Shore O | 55 | 55 | ASTM D2240-97 |
Tensile Strength | 207 MPa | 30000 psi | MD, supporting material; ASTM D882 |
Tensile Strength, Yield | 103 MPa | 15000 psi | F5, supporting material; ASTM D882 |
Elongation at Break | 150 % | 150 % | Ultimate, supporting material; ASTM D882 |
Tensile Modulus | 3.45 GPa | 500 ksi | MD, supporting material; ASTM D882 |
Compressive Yield Strength | 0.103 - 0.310 MPa @Strain 25.0 % | 15.0 - 45.0 psi @Strain 25.0 % | Range, 0.2"/min. strain rate |
0.221 MPa @Strain 25.0 % | 32.0 psi @Strain 25.0 % | Typical value, 0.2"/min. strain rate | |
Coefficient of Friction, Dynamic | 0.40 | 0.40 | A/B, supporting material; ASTM D1894 |
Compression Set | 5.0 % @Temperature 23.0 °C | 5.0 % @Temperature 73.4 °F | ASTM D1667-90 Test D |
10 % @Temperature 70.0 °C | 10 % @Temperature 158 °F | ASTM D3574-95 Test D | |
Electrical Properties | Metric | English | Comments |
Volume Resistivity | 2.00e+12 ohm-cm | 2.00e+12 ohm-cm | ASTM D257-99 |
Dielectric Constant | 1.63 @Time 86400 sec | 1.63 @Time 24.0 hour | 50% RH; ASTM D150 |
Dielectric Strength | 1.97 kV/mm | 50.0 kV/in | ASTM D149-97a |
Dissipation Factor | 0.050 | 0.050 | ASTM D150-98 |
Thermal Properties | Metric | English | Comments |
CTE, linear | 230 - 310 µm/m-°C | 128 - 172 µin/in-°F | |
Thermal Conductivity | 0.0900 W/m-K | 0.625 BTU-in/hr-ft²-°F | ASTM C518-98 |
Maximum Service Temperature, Air | 70.0 °C | 158 °F | Constant use; SAE J-2236 |
121 °C | 250 °F | Intermittent use; ASTM D746-98 | |
Brittleness Temperature | -40.0 °C | -40.0 °F | ASTM D746-98 |
Shrinkage, MD | 1.2 % @Temperature 150 °C, Time 2340 sec | 1.2 % @Temperature 302 °F, Time 0.650 hour | supporting material |
Shrinkage, TD | 0.00 % @Temperature 150 °C, Time 2340 sec | 0.00 % @Temperature 302 °F, Time 0.650 hour | supporting material |