氮化硼片2mm厚
产品介绍
| 订货号 | 包装规格 | | Disc | | 858-984-80 | 40 mm | | 625-930-49 | 50 mm |
产品参数 | Diameter[直径] | 40 mm - 50 mm | | Production Method[生产方法] | Hot Pressed | | Thickness[厚度] | 2mm | | Physical Properties(物理性质) | | Apparent porosity ( % ) | 2.00 - 15.00 | | Density ( g cm⁻3 ) | 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⁻1 ) | 40.0 - 200.0 | | Volume resistivity ( Ohmcm ) | 1011-101⁴@25℃ | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻1 ) | 1.000 - 36.000 @20-1000℃ | | Specific heat ( J K⁻1 kg⁻1 ) | 800.0 - 2000.0 @25℃ | | Sublimation point ( C ) | 2600 - 2800 | | Thermal conductivity ( W m⁻1 K⁻1 ) | 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 |
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| ≥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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