聚乙烯, U.H.M.W.,粉末, UHMW PE
产品介绍
| 订货号 | 包装规格 | | Weight | | 344-168-51 | 100g | | 021-062-89 | 200g | | 632-856-00 | 500g | | 107-006-82 | 1000g | | 375-861-88 | 2000g | | 752-147-91 | 5000g | | 273-443-16 | 20000g | | 994-454-62 | 25000g |
产品参数 | Mean Particle Size[平均粒度] | 150 | | Molecular Weight[分子量] | ~5000k g/mol | | Weight[重量] | 100g - 25000g | | Electrical Properties(电气特性) | | Dielectric constant @1MHz | 2 | | Dielectric strength ( kV mm⁻¹ ) | 28.0 | | Dissipation factor @ 1MHz | 1.0000 - 10.0000 x 10⁻⁴ | | Surface resistivity ( Ohm/sq ) | 10¹³ | | Volume resistivity ( Ohmcm ) | 10¹⁸ | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 130.000 - 200.000 | | Heat-deflection temperature - 0.45MPa ( C ) | 69 | | Heat-deflection temperature - 1.8MPa ( C ) | 42.0 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 1900.0 | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.42 - 0.51 @23℃ | | Upper working temperature ( C ) | 55 - 95 | | Chemical Resistance(耐化学性) | | Acids - concentrated | Good-Fair | | Acids - dilute | Good | | Alcohols | Good | | Alkalis | Good | | Aromatic hydrocarbons | Fair | | Greases and Oils | Good-Fair | | Halogenated Hydrocarbons | Fair-Poor | | Halogens | Fair-Poor | | Ketones | Good-Fair | | Physical Properties(物理性质) | | Density ( g cm⁻³ ) | 0.940 | | Flammability | HB | | Limiting oxygen index ( % ) | 17 | | Radiation resistance | Fair | | Resistance to Ultra-violet | Poor | | Water absorption - over 24 hours ( % ) | < 0.010 | | Mechanical Properties(机械性能) | | Coefficient of friction | 0.10 - 0.20 | | Elongation at break ( % ) | 500.0 | | Hardness - Rockwell | R50-70 | | Izod impact strength ( J m⁻¹ ) | > 1000.0 | | Poisson's ratio | 0.460 | | Tensile modulus ( GPa ) | 0.20 - 1.20 | | Tensile strength ( MPa ) | 20.00 - 40.00 |
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