产品介绍 | 订货号 | 包装规格 | | Sizes | | 939-381-47 | 150mm x 150mm | | 458-134-49 | 150mm x 300mm | | 340-292-55 | 300mm x 300mm | | 816-941-50 | 305mm x 305mm |
产品参数 | Thickness[厚度] | 50.8mm | | Mechanical Properties(机械性能) | | Abrasive resistance - ASTM D1044 ( mg/1000 cycles ) | 60 - 100 | | Elongation at break ( % ) | 3.0 -5.0 | | Hardness - Rockwell | R110-120 | | Tensile modulus ( GPa ) | 1.65 | | Tensile strength ( MPa ) | 55.00 - 70.00 | | Physical Properties(物理性质) | | Density ( g cm⁻³ ) | 1.050 | | Flammability | HB | | Radiation resistance | Good | | Refractive index | 1.590 | | Water absorption - over 24 hours ( % ) | 0.020 - 0.030 | | Chemical Resistance(耐化学性) | | Acids - concentrated | Fair-Poor | | Acids - dilute | Good | | Alcohols | Good | | Alkalis | Good-Fair | | Aromatic hydrocarbons | Poor | | Greases and Oils | Fair-Poor | | Halogenated Hydrocarbons | Poor | | Halogens | Poor | | Ketones | Poor | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 70.000 - 90.000 | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.17 @23℃ | | Upper working temperature ( C ) | 93 | | Electrical Properties(电气特性) | | Dielectric constant @1MHz | 3 | | Dielectric strength ( kV mm⁻¹ ) | 27.0 - 47.0 | | Dissipation factor @ 1MHz | 0.0002 | | Surface resistivity ( Ohm/sq ) | >10¹⁵ | | Volume resistivity ( Ohmcm ) | >10¹⁵ |
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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