半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| Disc |
| 172-139-58 |
13 mm |
| 287-026-50 |
20 mm |
半岛bd体育手机客户端 参数
| Diameter[直径] |
13 mm - 20 mm |
| Production Method[生产方法] |
Hot Pressed |
| Thickness[厚度] |
1mm |
| Physical Properties(物理性质) |
| Apparent porosity ( % ) |
2.00 - 15.00 |
| Density ( g cm?? ) |
1.900 - 2.200 |
| Mechanical Properties(机械性能) |
| Shear strength ( MPa ) |
12 - 25 |
| Tensile modulus ( GPa ) |
20.00 - 35.00 |
| Chemical Resistance(耐化学性) |
| Acids - concentrated |
Fair |
| Acids - dilute |
Fair |
| Alkalis |
Fair |
| Halogens |
Poor |
| Metals |
Good |
| Electrical Properties(电气特性) |
| Dielectric constant |
4.3 |
| Dielectric strength ( kV mm?? ) |
40.0 - 200.0 |
| Volume resistivity ( Ohmcm ) |
10??-10??@25℃ |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
1.000 - 36.000 @20-1000℃ |
| Specific heat ( J K?? kg?? ) |
800.0 - 2000.0 @25℃ |
| Sublimation point ( C ) |
2600 - 2800 |
| Thermal conductivity ( W m?? K?? ) |
15.00 - 50.00 @20℃ |
| Upper continuous use temperature ( C ) |
950 - 2500 |
| Pultrusion(挤拉成型) |
| Compressive strength ( MPa ) |
30 -120 |
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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