名称：Goodfellow（顾特服）
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聚四氟乙烯,玻璃填充,片, PTFE 25% GF, 1mm厚
材料 >> 聚合物材料
| 品牌: | Goodfellow |
| 产地: | 英国 |
产品介绍
| 订货号 | 包装规格 |
| Sizes | |
| 502-175-77 | 100 mm x 100 mm |
| 719-677-30 | 150 mm x 150 mm |
| 443-467-86 | 300 mm x 300 mm |
产品参数
| Thickness[厚度] | 1mm |
| 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 |
|---|---|---|
| ≥100mm | +2% / -1% | |
| 直径 | <100mm | ±1mm |
| ≥100mm | +2% / -1% | |
| 厚度 | ±10% | |
| 陶瓷 | ±20% | |
| 复合材料 | ±20% | |
| 聚合物 | ±20% | |
| 长度 1 | <100mm | ±1mm |
| ≥100mm | +2% / -1% | |
| 长度 2 | <100mm | ±1mm |
| ≥100mm | +2% / -1% |
