名称：Goodfellow（顾特服）
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聚苯醚,棒, PPO (modified), PPE (modified), Pale Grey, 50mm直径
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 |
| Length (Round) | |
| 208-045-87 | 100 mm |
| 039-060-42 | 200 mm |
| 882-558-51 | 500 mm |
| 319-824-74 | 1000 mm |
产品参数
| Colour[颜色] | Pale Grey |
| Diameter[直径] | 50mm |
| Length[长度] | 100 mm - 1000 mm |
| Thermal Properties(热性能) | |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 60.000 |
| Heat-deflection temperature - 0.45MPa ( C ) | 137 |
| Heat-deflection temperature - 1.8MPa ( C ) | 125.0 |
| Lower working temperature ( C ) | -40 |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.22 @23℃ |
| Upper working temperature ( C ) | 80 - 120 |
| Mechanical Properties(机械性能) | |
| Abrasive resistance - ASTM D1044 ( mg/1000 cycles ) | 20 |
| Coefficient of friction | 0.35 |
| Elongation at break ( % ) | 50.0 |
| Hardness - Rockwell | M78/R115 |
| Izod impact strength ( J m⁻¹ ) | 200.0 |
| Poisson's ratio | 0.380 |
| Tensile modulus ( GPa ) | 2.50 |
| Tensile strength ( MPa ) | 55.00 - 65.00 |
| Chemical Resistance(耐化学性) | |
| Acids - concentrated | Good-Fair |
| Acids - dilute | Good |
| Alcohols | Good |
| Alkalis | Good |
| Aromatic hydrocarbons | Poor |
| Greases and Oils | Good-Poor |
| Halogenated Hydrocarbons | Fair-Poor |
| Halogens | Poor |
| Ketones | Poor |
| Electrical Properties(电气特性) | |
| Dielectric constant @1MHz | 3 |
| Dielectric strength ( kV mm⁻¹ ) | 16.0 - 20.0 |
| Dissipation factor @ 1kHz | 0.0040 |
| Surface resistivity ( Ohm/sq ) | 2x10¹⁶ |
| Volume resistivity ( Ohmcm ) | 10¹⁷ |
| Physical Properties(物理性质) | |
| Density ( g cm⁻³ ) | 1.060 |
| Flammability | HB |
| Limiting oxygen index ( % ) | 20 |
| Radiation resistance | Good |
| Water absorption - over 24 hours ( % ) | 0.100 - 0.500 |
其他参数
公差
| 直径 | ≤10mm | ±10% |
|---|---|---|
| 聚合物 | +20% / -10% | |
| 陶瓷 | +20% / -10% | |
| >10mm | ±5% | |
| 陶瓷 | +20% / -10% | |
| 聚合物 | +20% / -10% | |
| 长度 | <100mm | ±1mm |
| ≥100mm | +5% / -1% |
