产品介绍 | 订货号 | 包装规格 | | Sizes | | 921-635-84 | 250 mm x 250 mm | | 204-484-46 | 500 mm x 500 mm |
产品参数 | Thickness[厚度] | 0.5mm | | Physical Properties(物理性质) | | Abbe number | 80.0 - 84.0 | | Density ( g cm⁻³ ) | 1.200 | | Flammability | HB | | Limiting oxygen index ( % ) | 17 | | Radiation resistance | Fair | | Refractive index | 1.478 | | Resistance to Ultra-violet | Good | | Water absorption - over 24 hours ( % ) | 0.900 - 2.200 | | Chemical Resistance(耐化学性) | | Acids - dilute | Fair-Poor | | Alcohols | Poor | | Alkalis | Fair-Poor | | Aromatic hydrocarbons | Poor | | Greases and Oils | Good-Poor | | Halogenated Hydrocarbons | Poor | | Halogens | Poor | | Ketones | Poor | | Mechanical Properties(机械性能) | | Elongation at break ( % ) | 60.0 | | Hardness - Rockwell | 99 | | Izod impact strength ( J m⁻¹ ) | 260.0 | | Tensile modulus ( GPa ) | 0.30 - 2.00 | | Tensile strength ( MPa ) | 20.00 - 60.00 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 140.000 | | Heat-deflection temperature - 0.45MPa ( C ) | 73 | | Heat-deflection temperature - 1.8MPa ( C ) | 62.0 | | Lower working temperature ( C ) | < -40 | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.16 - 0.32 @23℃ | | Upper working temperature ( C ) | 60 - 100 | | Electrical Properties(电气特性) | | Dielectric constant @1MHz | 3 - 6 | | Dielectric strength ( kV mm⁻¹ ) | 10.0 | | Dissipation factor @ 1kHz | 0.0400 | | Volume resistivity ( Ohmcm ) | 10¹¹-10¹⁵ |
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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