四氟乙烯,全氟(烷氧基乙烯醚)共聚物,片, PFA, 4.5mm厚
产品介绍
| 订货号 | 包装规格 | | Sizes | | 441-725-58 | 150 mm x 150 mm | | 094-352-70 | 300 mm x 300 mm |
产品参数 | Thickness[厚度] | 4.5mm | | Chemical Resistance(耐化学性) | | Acids - concentrated | Excellent | | Acids - dilute | Excellent | | Alcohols | Excellent | | Alkalis | Excellent | | Aromatic hydrocarbons | Excellent | | Greases and Oils | Excellent | | Halogens | Excellent | | Ketones | Excellent | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 76.000 - 78.000 | | Heat-deflection temperature - 0.45MPa ( C ) | 63 - 80 | | Heat-deflection temperature - 1.8MPa ( C ) | 48.0 - 50.0 | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.19 | | Upper working temperature ( C ) | 260 | | Electrical Properties(电气特性) | | Dielectric constant @1MHz | 2 - 2 | | Dielectric constant @1kHz | 2.05 - 2.06 | | Dissipation factor @ 1MHz | 0.0008 | | Dissipation factor @ 1kHz | 0.0001 - 0.0002 | | Physical Properties(物理性质) | | Density ( g cm⁻³ ) | 2.150 | | Flammability | V-0 | | Limiting oxygen index ( % ) | > 95 % | | Refractive index | 1.350 | | Water absorption ( % ) | < 0.03 | | Mechanical Properties(机械性能) | | Elongation at break ( % ) | 300.0 | | Tensile strength ( MPa ) | 25.00 |
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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