产品介绍 | 订货号 | 包装规格 | | Length (Round) | | 859-950-84 | 25mm | | 854-116-49 | 50mm | | 556-511-25 | 100mm | | 939-760-58 | 965mm |
产品参数 | Diameter[直径] | 50.8mm | | Grade[等级] | Vespel® SP1 | | Length[长度] | 25mm - 965mm | | Chemical Resistance(耐化学性) | | Acids - concentrated | Poor | | Acids - dilute | Fair | | Alcohols | Poor | | Alkalis | Poor | | Aromatic hydrocarbons | Good | | Greases and Oils | Good | | Halogenated Hydrocarbons | Good | | Halogens | Fair | | Ketones | Good | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 30.000 - 60.000 | | Heat-deflection temperature - 1.8MPa ( C ) | 360.0 | | Lower working temperature ( C ) | -270 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 1090.0 | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.10 - 0.35 @23℃ | | Upper working temperature ( C ) | 250 - 320 | | Electrical Properties(电气特性) | | Dielectric constant @1MHz | 3 | | Dielectric strength ( kV mm⁻¹ ) | 22.0 | | Dissipation factor @ 1kHz | 0.0018 | | Surface resistivity ( Ohm/sq ) | 10¹⁶ | | Volume resistivity ( Ohmcm ) | 10¹⁸ | | Mechanical Properties(机械性能) | | Coefficient of friction | 0.42 | | Elongation at break ( % ) | 8.0 -70.0 | | Hardness - Rockwell | E52-99 | | Izod impact strength ( J m⁻¹ ) | 80.0 | | Tensile modulus ( GPa ) | 2.00 - 3.00 | | Tensile strength ( MPa ) | 70.00 - 150.00 | | Physical Properties(物理性质) | | Density ( g cm⁻³ ) | 1.420 | | Flammability | V-0 | | Limiting oxygen index ( % ) | 53 | | Radiation resistance | Good | | Refractive index | 1.660 | | Resistance to Ultra-violet | Poor | | Water absorption - over 24 hours ( % ) | 0.200 - 2.900 |
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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