材料 >> 陶瓷
氮化硼,管, BN, 1.7mm ID, 6.4mm OD
半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| Length (Round) |
| 890-903-43 |
100 mm |
半岛bd体育手机客户端 参数
| Inside Diameter[内部直径] |
1.7mm |
| Length[长度] |
100 mm |
| Outside Diameter[外部直径] |
6.4mm |
| Production Method[生产方法] |
Hot Pressed |
| Wall Thickness[壁厚] |
2.35mm |
| 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
| 外部直径 |
≤2mm |
±0.05mm |
| 聚合物 |
±10% |
| 陶瓷 |
±10% |
|
| ≤5mm |
±0.1mm |
| 聚合物 |
±10% |
| 陶瓷 |
±10% |
|
| >5mm |
±5% |
| 聚合物 |
±10% |
| 陶瓷 |
±10% |
|
| 壁厚 |
|
±10% |
| 聚合物 |
±20% |
| 陶瓷 |
±20% |
|
| 长度 |
<100mm |
±1mm |
| ≥100mm |
+5% / -1% |
|
|
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