产品介绍 | 订货号 | 包装规格 | | Sizes | | 634-419-63 | 25 mm x 25 mm |
产品参数 | Thickness[厚度] | 3mm | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 8.000 - 10.000 @20-1000℃ | | Melting point ( C ) | 1850.00 | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 2.50 - 5.00 @20℃ | | Mechanical Properties(机械性能) | | Hardness - Vickers ( kgf mm⁻² ) | 980 | | Tensile modulus ( GPa ) | 250.00 - 300.00 | | Tensile strength ( MPa ) | 350.00 | | Chemical Resistance(耐化学性) | | Acids - concentrated | Fair | | Acids - dilute | Good | | Alkalis | Poor | | Metals | Poor | | Electrical Properties(电气特性) | | Dielectric constant | 80.0 - 100.0 | | Volume resistivity ( Ohmcm ) | 10¹³-10¹⁸@25℃ | | Physical Properties(物理性质) | | Apparent porosity ( % ) | 0.00 | | Density ( g cm⁻³ ) | 4.050 | | Pultrusion(挤拉成型) | | Compressive strength ( MPa ) | 800 -1000 |
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% |
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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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