材料 >> 聚合物材料
聚甲基戊烯,片, TPX, Natural, 12.7mm厚
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介绍 | 订货号 | 包装规格 | | Sizes | | 212-739-37 | 150mm x 150mm |
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参数 | Colour[颜色] | Natural | | Grade[等级] | DX845 | | Production Method[生产方法] | Extruded | | Thickness[厚度] | 12.7mm | | Physical Properties(物理性质) | | Density ( g cm⁻³ ) | 0.835 | | Flammability | HB | | Limiting oxygen index ( % ) | 17 | | Refractive index | 1.463 | | Resistance to Ultra-violet | Poor | | Water absorption - over 24 hours ( % ) | 0.010 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 117.000 | | Heat-deflection temperature - 0.45MPa ( C ) | 100 | | Heat-deflection temperature - 1.8MPa ( C ) | 40.0 | | Lower working temperature ( C ) | -20 - -40 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 2000.0 | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.17 @23℃ | | Upper working temperature ( C ) | 75 - 115 | | Chemical Resistance(耐化学性) | | Acids - concentrated | Good-Fair | | Acids - dilute | Good | | Alcohols | Good | | Alkalis | Good | | Aromatic hydrocarbons | Fair-Poor | | Greases and Oils | Good-Fair | | Halogenated Hydrocarbons | Fair-Poor | | Halogens | Fair-Poor | | Ketones | Good-Fair | | Electrical Properties(电气特性) | | Dielectric constant @1MHz | 2 | | Dissipation factor @ 1kHz | 0.0002 | | Volume resistivity ( Ohmcm ) | >10¹⁶ | | Mechanical Properties(机械性能) | | Elongation at break ( % ) | 15.0 | | Hardness - Rockwell | R85 | | Izod impact strength ( J m⁻¹ ) | 49.0 | | Tensile modulus ( GPa ) | 1.50 | | Tensile strength ( MPa ) | 25.50 |
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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