材料 >> 聚合物材料
聚四氟乙烯,玻璃填充,膜, PTFE 25% GF, 0.5mm厚
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介绍 | 订货号 | 包装规格 | | Sizes | | 156-276-18 | 250 mm x 250 mm | | 867-313-31 | 500 mm x 500 mm | | 656-892-95 | 1000 mm x 1000 mm |
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参数 | Thickness[厚度] | 0.5mm | | Chemical Resistance(耐化学性) | | Acids - concentrated | Poor | | Acids - dilute | Good | | Alcohols | Good | | Alkalis | Good-Fair | | Aromatic hydrocarbons | Good | | Greases and Oils | Good | | Halogenated Hydrocarbons | Good | | Halogens | Good | | Ketones | Good | | Mechanical Properties(机械性能) | | Coefficient of friction | 0.08 - 0.10 | | Elongation at break ( % ) | 100.0 -300.0 | | Hardness - Rockwell | D60-70-Shore | | Izod impact strength ( J m⁻¹ ) | 144.0 | | Tensile modulus ( GPa ) | 1.70 | | Tensile strength ( MPa ) | 7.00 - 20.00 | | Electrical Properties(电气特性) | | Dielectric constant @1MHz | 2 - 2 | | Dielectric strength ( kV mm⁻¹ ) | 40.0 | | Dissipation factor @ 1kHz | 0.0030 | | Surface resistivity ( Ohm/sq ) | 10¹⁵ | | Volume resistivity ( Ohmcm ) | 10¹⁶ | | Physical Properties(物理性质) | | Density ( g cm⁻³ ) | 2.250 | | Flammability | V-0 | | Limiting oxygen index ( % ) | 95 | | Resistance to Ultra-violet | Good | | Water absorption - over 24 hours ( % ) | 0.150 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 75.000 - 100.000 | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.33 - 0.42 @23℃ | | Upper working temperature ( C ) | 260 |
其他参数 公差 | 直径 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% | | 厚度 | | ±20% |
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| 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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