- 密度 [g/cm3]: 0.24
- 吸水率 [%]: 34.0
- 脆化温度 [℃]: -20.0
| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 0.240 g/cc | 0.00868 lb/in³ | ASTM D3574-95 Test A | ||
| Water Absorption | 34 % | 34 % | Immersion; ASTM D570-95 | ||
| Moisture Absorption at Equilibrium | 2.0 % | 2.0 % | High Humidity; AMS 3568-95 | ||
| Thickness | 3180 - 12700 microns | 125 - 500 mil | Range of Thicknesses Available | ||
| Outgassing - Total Mass Loss | 0.14 % | 0.14 % | CVCM; ASTM E595-93 | ||
| 0.71 % | 0.71 % | WVR; ASTM E595-93 | |||
| 1.73 % | 1.73 % | TML; ASTM E595-93 | |||
| Mechanical Properties | Metric | English | Comments | ||
| Hardness, Shore O | <= 5.0 | <= 5.0 | ASTM D2240-97 | ||
| Tensile Strength | >= 0.103 MPa | >= 15.0 psi | ASTM D3574-75 Test E | ||
| 0.207 MPa | 30.0 psi | Typical; ASTM D3574-75 Test E | |||
| Elongation at Break | >= 120 % | >= 120 % | ASTM D3574-75 Test E | ||
| 206 % | 206 % | Typical; ASTM D3574-75 Test E | |||
| Compressive Yield Strength | 0.00207 - 0.0241 MPa @Strain 25.0 % | 0.300 - 3.50 psi @Strain 25.0 % | Range, 0.2"/min. strain rate | ||
| 0.0138 MPa @Strain 25.0 % | 2.00 psi @Strain 25.0 % | Typical value, 0.2"/min. strain rate | |||
| Tear Strength | >= 0.700 kN/m | >= 3.99 pli | ASTM D264-91 Die C | ||
| 0.900 kN/m | 5.14 pli | Typical; ASTM D264-91 Die C | |||
| Compression Set | 2.0 % @Temperature 23.0 °C | 2.0 % @Temperature 73.4 °F | ASTM D1667-90 Test D | ||
| 5.0 % @Temperature 121 °C | 5.0 % @Temperature 250 °F | autoclaved 5 hrs; ASTM D3574-95 J/Test D | |||
| 10 % @Temperature 70.0 °C | 10 % @Temperature 158 °F | ASTM D3574-95 Test D | |||
| Electrical Properties | Metric | English | Comments | ||
| Volume Resistivity | 8.00e+11 ohm-cm | 8.00e+11 ohm-cm | ASTM D257-99 | ||
| Dielectric Constant | 1.48 @Time 86400 sec | 1.48 @Time 24.0 hour | 50% RH; ASTM D150 | ||
| Dielectric Strength | 1.97 kV/mm | 50.0 kV/in | ASTM D149-97a | ||
| Dissipation Factor | 0.040 | 0.040 | ASTM D150-98 | ||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear | 230 - 310 µm/m-°C | 128 - 172 µin/in-°F | |||
| Maximum Service Temperature, Air | 90.0 °C | 194 °F | Constant use; SAE J-2236 | ||
| 121 °C | 250 °F | Intermittent use; ASTM D746-98 | |||
| Brittleness Temperature | -20.0 °C | -4.00 °F | ASTM D746-98 | ||
| Descriptive Properties | |||||
| Flammability Test | pass | MVSS 302; 0.118 in. | |||
| pass | CSA Comp HBF (File 188149); 0.118 in. | ||||