碳化硼,热压,片, BC, 4mm厚
产品介绍
| 订货号 | 包装规格 | | Sizes | | 621-398-76 | 50 mm x 50 mm |
产品参数 | Thickness[厚度] | 4mm | | Chemical Resistance(耐化学性) | | Acids - concentrated | Fair | | Acids - dilute | Good | | Alkalis | Fair | | Halogens | Fair | | Metals | Fair | | Mechanical Properties(机械性能) | | Hardness - Knoop ( kgf mm⁻² ) | 2800 - 3500 | | Hardness - Vickers ( kgf mm⁻² ) | 3200 | | Tensile modulus ( GPa ) | 440.00 - 470.00 | | Tensile strength ( MPa ) | 350.00 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 5.600 @20-1000℃ | | Melting point ( C ) | 2450.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 950.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 30.00 - 90.00 @20℃ | | Upper continuous use temperature ( C ) | 600 - 800 | | Physical Properties(物理性质) | | Apparent porosity ( % ) | < 3.00 | | Density ( g cm⁻³ ) | 2.450 - 2.520 | | Electrical Properties(电气特性) | | Volume resistivity ( Ohmcm ) | 0.1-10@25℃ | | Pultrusion(挤拉成型) | | Compressive strength ( MPa ) | 1400 -3400 |
其他参数 公差 | 长度 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% | | 直径 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% | | 厚度 | | ±10% |
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| 陶瓷 | ±20% | | 复合材料 | ±20% | | 聚合物 | ±20% | | 长度 1 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% | | 长度 2 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% |
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