材料 >> 聚合物材料
聚甲基戊烯,棒, TPX, Natural, 50mm直径
半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| Length (Round) |
| 581-687-83 |
100mm |
| 571-719-99 |
200mm |
| 891-814-56 |
500mm |
| 219-356-95 |
1000mm |
半岛bd体育手机客户端 参数
| Colour[颜色] |
Natural |
| Diameter[直径] |
50mm |
| Grade[等级] |
RT18 |
| Length[长度] |
100mm - 1000mm |
| Physical Properties(物理性质) |
| Density ( g cm?? ) |
0.835 |
| Flammability |
HB |
| Limiting oxygen index ( % ) |
17 |
| Refractive index |
1.463 |
| Resistance to Ultra-violet |
Poor |
| Water absorption - over 24 hours ( % ) |
0.010 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
117.000 |
| Heat-deflection temperature - 0.45MPa ( C ) |
100 |
| Heat-deflection temperature - 1.8MPa ( C ) |
40.0 |
| Lower working temperature ( C ) |
-20 - -40 |
| Specific heat ( J K?? kg?? ) |
2000.0 |
| Thermal conductivity ( W m?? K?? ) |
0.17 @23℃ |
| Upper working temperature ( C ) |
75 - 115 |
| Chemical Resistance(耐化学性) |
| Acids - concentrated |
Good-Fair |
| Acids - dilute |
Good |
| Alcohols |
Good |
| Alkalis |
Good |
| Aromatic hydrocarbons |
Fair-Poor |
| Greases and Oils |
Good-Fair |
| Halogenated Hydrocarbons |
Fair-Poor |
| Halogens |
Fair-Poor |
| Ketones |
Good-Fair |
| Electrical Properties(电气特性) |
| Dielectric constant @1MHz |
2 |
| Dissipation factor @ 1kHz |
0.0002 |
| Volume resistivity ( Ohmcm ) |
>10?? |
| Mechanical Properties(机械性能) |
| Elongation at break ( % ) |
15.0 |
| Hardness - Rockwell |
R85 |
| Izod impact strength ( J m?? ) |
49.0 |
| Tensile modulus ( GPa ) |
1.50 |
| Tensile strength ( MPa ) |
25.50 |
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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