- 密度 [g/cm3]: 0.4
- 吸水率 [%]: 14.0
- 脆化温度 [℃]: -51.0
| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 0.400 g/cc | 0.0145 lb/in³ | ASTM D3574-95 Test A | ||
| Water Absorption | 14 % | 14 % | Immersion; ASTM D570-95 | ||
| Moisture Absorption at Equilibrium | 2.0 % | 2.0 % | High Humidity; AMS 3568-95 | ||
| Thickness | 787 - 1140 microns | 31.0 - 45.0 mil | Range of Thicknesses Available | ||
| Outgassing - Total Mass Loss | 0.20 % @Temperature 125 °C, Time 86400 sec | 0.20 % @Temperature 257 °F, Time 24.0 hour | CVCM; at 7000 Pa; ASTM E595-93 | ||
| 0.60 % @Temperature 125 °C, Time 86400 sec | 0.60 % @Temperature 257 °F, Time 24.0 hour | WVR; at 7000 Pa; ASTM E595-93 | |||
| 1.3 % @Temperature 125 °C, Time 86400 sec | 1.3 % @Temperature 257 °F, Time 24.0 hour | TML; at 7000 Pa; ASTM E595-93 | |||
| Mechanical Properties | Metric | English | Comments | ||
| Hardness, Shore A | 12 | 12 | ASTM D2240-97 | ||
| Hardness, Shore O | 16 | 16 | ASTM D2240-97 | ||
| Tensile Strength | >= 0.241 MPa | >= 35.0 psi | ASTM D3574-75 Test E | ||
| 0.483 MPa | 70.0 psi | Typical; ASTM D3574-75 Test E | |||
| Elongation at Break | >= 100 % | >= 100 % | ASTM D3574-75 Test E | ||
| 150 % | 150 % | Typical; ASTM D3574-75 Test E | |||
| Compressive Yield Strength | 0.0345 - 0.0827 MPa @Strain 25.0 % | 5.00 - 12.0 psi @Strain 25.0 % | Range, 0.2"/min. strain rate | ||
| 0.0621 MPa @Strain 25.0 % | 9.00 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 | ||
| 1.80 kN/m | 10.3 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 | 3.00e+11 ohm-cm | 3.00e+11 ohm-cm | ASTM D257-99 | ||
| Dielectric Constant | 1.75 @Time 86400 sec | 1.75 @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 | |||
| 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 | -51.0 °C | -59.8 °F | ASTM D746-98 | ||
| Descriptive Properties | |||||
| Flammability Test | pass | MVSS 302; 0.062 in. | |||