- 密度 [g/cm3]: 0.481
- 吸水率 [%]: 5.0
- 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 | ||
Water Absorption | 5.0 % | 5.0 % | Immersion; ASTM D570-95 | ||
Moisture Absorption at Equilibrium | 2.0 % | 2.0 % | High Humidity; AMS 3568-95 | ||
Thickness | 432 - 508 microns | 17.0 - 20.0 mil | Range of Thicknesses Available | ||
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 | >= 1.10 MPa | >= 160 psi | ASTM D3574-75 Test E | ||
1.64 MPa | 238 psi | Typical; ASTM D3574-75 Test E | |||
Elongation at Break | >= 90 % | >= 90 % | ASTM D3574-75 Test E | ||
118 % | 118 % | Typical; ASTM D3574-75 Test E | |||
Compressive Yield Strength | 0.0345 - 0.310 MPa @Strain 25.0 % | 5.00 - 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 | |||
Tear Strength | >= 1.60 kN/m | >= 9.13 pli | ASTM D264-91 Die C | ||
4.40 kN/m | 25.1 pli | Typical; ASTM D264-91 Die C | |||
Compression Set | 5.0 % @Temperature 23.0 °C | 5.0 % @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 | 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 | |||
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 | -40.0 °C | -40.0 °F | ASTM D746-98 | ||
Descriptive Properties | |||||
Flammability Test | pass | MVSS 302; 0.045 in. |