聚四氟乙烯,玻璃填充,片, PTFE 25% GF, 3mm厚
产品介绍
订货号 | 包装规格 | Sizes | 244-153-21 | 150 mm x 150 mm | 519-154-05 | 300 mm x 300 mm | 894-251-21 | 1000 mm x 1000 mm |
产品参数 Thickness[厚度] | 3mm | 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 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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