聚苯并咪唑,棒, PBI, Black, 41mm 直径
产品介绍
| 订货号 | 包装规格 | | Length (Round) | | 228-179-87 | 23 mm |
产品参数 | Colour[颜色] | Black | | Diameter[直径] | 41mm | | Length[长度] | 23 mm | | Chemical Resistance(耐化学性) | | Acids - concentrated | Poor | | Acids - dilute | Fair-Poor | | Alcohols | Good | | Alkalis | Good-Poor | | Aromatic hydrocarbons | Good | | Greases and Oils | Good | | Halogenated Hydrocarbons | Good | | Ketones | Good | | Mechanical Properties(机械性能) | | Coefficient of friction | 0.19 - 0.27 | | Compressive modulus ( GPa ) | 6.2 | | Elongation at break ( % ) | 3.0 | | Hardness - Rockwell | K115 | | Izod impact strength ( J m⁻¹ ) | 590.0 unnotched | | Poisson's ratio | 0.340 | | Tensile modulus ( GPa ) | 5.90 | | Tensile strength ( MPa ) | 160.00 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 23.000 | | Heat-deflection temperature - 0.45MPa ( C ) | 435 | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.41 @23℃ | | Upper working temperature ( C ) | 260 - 400 | | Electrical Properties(电气特性) | | Dielectric constant @1MHz | 3 | | Dielectric strength ( kV mm⁻¹ ) | 21.0 | | Volume resistivity ( Ohmcm ) | 8x10¹⁴ | | Physical Properties(物理性质) | | Density ( g cm⁻³ ) | 1.300 | | Flammability | Does Not Burn | | Limiting oxygen index ( % ) | 58 | | Radiation resistance | Good | | Water absorption - over 24 hours ( % ) | 0.400 | | Pultrusion(挤拉成型) | | Compressive strength ( MPa ) | 400 |
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% |
| |
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