| Nominal Granule Size[标称颗粒大小] |
4 |
| Structure[结构] |
Isotactic |
| Weight[重量] |
100 g - 1000 g |
| Electrical Properties(电气特性) |
| Dielectric constant @1MHz |
2 - 3 |
| Dielectric strength ( kV mm?1 ) |
30.0 - 40.0 |
| Dissipation factor @ 1MHz |
0.0003 - 0.0005 |
| Surface resistivity ( Ohm/sq ) |
1013 |
| Volume resistivity ( Ohmcm ) |
101?-101? |
| Mechanical Properties(机械性能) |
| Abrasive resistance - ASTM D1044 ( mg/1000 cycles ) |
13 - 16 |
| Coefficient of friction |
0.10 - 0.30 |
| Elongation at break ( % ) |
150.0 -300.0, for biax film >50 |
| Hardness - Rockwell |
R80-100 |
| Izod impact strength ( J m?1 ) |
20.0 - - 100.0 |
| Tensile modulus ( GPa ) |
0.90 - 1.50 , for biax film 2.2-4.2 |
| Tensile strength ( MPa ) |
25.00 - 40.00 , for biax film 130-300, |
| Chemical Resistance(耐化学性) |
| Acids - concentrated |
Good-Fair |
| Acids - dilute |
Good-Fair |
| Alcohols |
Good |
| Alkalis |
Good |
| Aromatic hydrocarbons |
Fair |
| Greases and Oils |
Good-Fair |
| Halogenated Hydrocarbons |
Good-Poor |
| Halogens |
Poor |
| Ketones |
Good |
| Physical Properties(物理性质) |
| Density ( g cm?3 ) |
0.900 |
| Flammability |
HB |
| Limiting oxygen index ( % ) |
18 |
| Radiation resistance |
Fair |
| Refractive index |
1.490 |
| Resistance to Ultra-violet |
Poor |
| Water absorption - equilibrium ( % ) |
0.03 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?1 ) |
100.000 - 180.000 |
| Heat-deflection temperature - 0.45MPa ( C ) |
100 - 105 |
| Heat-deflection temperature - 1.8MPa ( C ) |
60.0 - 65.0 |
| Lower working temperature ( C ) |
- -10 - -60 |
| Specific heat ( J K?1 kg?1 ) |
1700.0 - 1900.0 |
| Thermal conductivity ( W m?1 K?1 ) |
0.10 - 0.22 @23℃ |
| Upper working temperature ( C ) |
90 - 120 |
