材料 >> 聚合物材料
聚甲醛共聚物,棒, Acetal, Copolymer POMC, Yellow Similar To RAL 1007, 90mm直径
半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| Length (Round) |
| 568-817-27 |
100mm |
| 240-202-33 |
200mm |
| 570-254-58 |
500mm |
| 418-733-84 |
1000mm |
| 629-351-35 |
2100mm |
半岛bd体育手机客户端 参数
| Colour[颜色] |
Yellow Similar To RAL 1007 |
| Diameter[直径] |
90mm |
| Length[长度] |
100mm - 2100mm |
| 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
| 直径 |
≤10mm |
±10% |
| 聚合物 |
+20% / -10% |
| 陶瓷 |
+20% / -10% |
|
| >10mm |
±5% |
| 陶瓷 |
+20% / -10% |
| 聚合物 |
+20% / -10% |
|
| 长度 |
<100mm |
±1mm |
| ≥100mm |
+5% / -1% |
|
|
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