材料 >> 聚合物材料
聚甲醛共聚物,片, Acetal, Copolymer POMC, 5.6mm厚
半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| Sizes |
| 542-305-43 |
100 mm x 100 mm |
| 653-063-47 |
200 mm x 200 mm |
| 955-094-57 |
400 mm x 400 mm |
半岛bd体育手机客户端 参数
| Thickness[厚度] |
5.6mm |
| Electrical Properties(电气特性) |
| Dielectric constant @1MHz |
4 - 4 |
| Dielectric strength ( kV mm?? ) |
20.0 @2.3mm |
| Dissipation factor @ 1MHz |
0.0060 - 0.1800 |
| Surface resistivity ( Ohm/sq ) |
10?? |
| Volume resistivity ( Ohmcm ) |
10?? |
| Chemical Resistance(耐化学性) |
| Acids - concentrated |
Poor |
| Acids - dilute |
Good-Fair |
| Alcohols |
Good-Fair |
| Alkalis |
Good |
| Aromatic hydrocarbons |
Good |
| Greases and Oils |
Good |
| Halogenated Hydrocarbons |
Good-Poor |
| Halogens |
Poor |
| Ketones |
Good-Fair |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
80.000 - 120.000 |
| Heat-deflection temperature - 0.45MPa ( C ) |
160 |
| Heat-deflection temperature - 1.8MPa ( C ) |
110.0 |
| Lower working temperature ( C ) |
-40 |
| Specific heat ( J K?? kg?? ) |
1500.0 |
| Thermal conductivity ( W m?? K?? ) |
0.23 - 0.30 @23℃ |
| Upper working temperature ( C ) |
80 - 120 |
| Physical Properties(物理性质) |
| Density ( g cm?? ) |
1.410 |
| Flammability |
HB |
| Limiting oxygen index ( % ) |
15 |
| Radiation resistance |
Poor |
| Resistance to Ultra-violet |
Poor |
| Water absorption - equilibrium ( % ) |
0.60 - 0.80 |
| Water absorption - over 24 hours ( % ) |
0.200 - 0.250 |
| Mechanical Properties(机械性能) |
| Elongation at break ( % ) |
15.0 -40.0 |
| Hardness - Rockwell |
M80 |
| Izod impact strength ( J m?? ) |
70.0 - - 80.0 |
| Poisson's ratio |
0.350 |
| Tensile modulus ( GPa ) |
2.30 - 2.80 |
| Tensile strength ( MPa ) |
60.00 - 70.00 |
其他参数
公差
| 长度 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
| 直径 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
| 厚度 |
|
±10% |
| 陶瓷 |
±20% |
| 复合材料 |
±20% |
| 聚合物 |
±20% |
| 长度 1 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
| 长度 2 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
|
|
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