产品介绍 | 订货号 | 包装规格 | | Length (Round) | | 960-717-55 | 25mm | | 429-112-54 | 50mm | | 805-828-67 | 100mm |
产品参数 | Description[描述] | Bearing Grade | | Diameter[直径] | 50.8mm | | Grade[等级] | Torlon® 4435 | | Length[长度] | 25mm - 100mm | | Physical Properties(物理性质) | | Density ( g cm⁻³ ) | 1.420 - 1.460 | | Flammability | V-0 | | Limiting oxygen index ( % ) | 44 - 45 | | Radiation resistance | Good | | Resistance to Ultra-violet | Good | | Water absorption - equilibrium ( % ) | 3.00 - 4.00 | | Water absorption - over 24 hours ( % ) | 0.300 | | Chemical Resistance(耐化学性) | | Acids - concentrated | Fair-Poor | | Acids - dilute | Fair | | Alcohols | Good-Poor | | Alkalis | Poor | | Aromatic hydrocarbons | Good | | Greases and Oils | Good | | Halogenated Hydrocarbons | Good-Poor | | Halogens | Good-Poor | | Ketones | Good | | Mechanical Properties(机械性能) | | Elongation at break ( % ) | 7.0 -15.0 | | Hardness - Rockwell | E72-86 | | Izod impact strength ( J m⁻¹ ) | 60.0 - 140.0 - Notched | | Poisson's ratio | 0.380 | | Tensile modulus ( GPa ) | 4.50 - 6.80 | | Tensile strength ( MPa ) | 110.00 - 190.00 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 25.000 - 31.000 | | Heat-deflection temperature - 1.8MPa ( C ) | 278.0 - 9.0 | | Lower working temperature ( C ) | <= -200 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 1000.0 | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.26 - 0.54 @23℃ | | Upper working temperature ( C ) | 200 - 260 | | Electrical Properties(电气特性) | | Dielectric constant @1MHz | 4 - 5 | | Dielectric strength ( kV mm⁻¹ ) | 23.0 at 1mm | | Dissipation factor @ 1MHz | 0.0300 - 0.0420 | | Surface resistivity ( Ohm/sq ) | 8-50x10¹⁷ | | Volume resistivity ( Ohmcm ) | 0.08-2x10¹⁷ | | Pultrusion(挤拉成型) | | Compressive strength ( MPa ) | 170 -220 |
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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