| Diameter[直径] |
50mm |
| Length[长度] |
200 mm - 1000 mm |
| Mechanical Properties(机械性能) |
| Abrasive resistance - ASTM D1044 ( mg/1000 cycles ) |
5 |
| Coefficient of friction |
0.20 - 0.30 |
| Hardness - Rockwell |
M82 |
| Izod impact strength ( J m?? ) |
30.0 - - 250.0 |
| Poisson's ratio |
0.390 |
| Tensile modulus ( GPa ) |
2.60 - 3.00 |
| Tensile strength ( MPa ) |
78.00 |
| Physical Properties(物理性质) |
| Density ( g cm?? ) |
1.130 |
| Flammability |
HB |
| Limiting oxygen index ( % ) |
25 |
| Radiation resistance |
Fair |
| Refractive index |
1.530 |
| Resistance to Ultra-violet |
Poor |
| Water absorption - equilibrium ( % ) |
> 8.00 |
| Water absorption - over 24 hours ( % ) |
2.700 |
| Chemical Resistance(耐化学? |
| Acids - concentrated |
Poor |
| Acids - dilute |
Poor |
| Alcohols |
Good |
| Alkalis |
Good-Fair |
| Aromatic hydrocarbons |
Good |
| Greases and Oils |
Good |
| Halogenated Hydrocarbons |
Good-Poor |
| Halogens |
Poor |
| Ketones |
Good |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
95.000 |
| Heat-deflection temperature - 0.45MPa ( C ) |
200 |
| Heat-deflection temperature - 1.8MPa ( C ) |
80.0 |
| Lower working temperature ( C ) |
-40 |
| Specific heat ( J K?? kg?? ) |
1700.0 |
| Thermal conductivity ( W m?? K?? ) |
0.24 - 0.28 @23ℂ/td> |
| Upper working temperature ( C ) |
80 - 160 |
| Electrical Properties(电气特? |
| Dielectric constant @1MHz |
4 |
| Dielectric strength ( kV mm?? ) |
25.0 |
| Dissipation factor @ 1kHz |
0.2000 |
| Surface resistivity ( Ohm/sq ) |
5x10?? |
| Volume resistivity ( Ohmcm ) |
5x10?? |
