聚乙烯,高密度,球体, HDPE, Natural, 31.75mm直径
产品介绍
| 订货号 | 包装规格 | | 077-407-50 | 1 Piece | | 819-761-35 | 2 Piece | | 785-843-16 | 5 Piece | | 606-064-02 | 10 Piece | | 707-493-66 | 20 Piece | | 831-487-23 | 50 Piece |
产品参数 | Colour[颜色] | Natural | | Diameter[直径] | 31.75mm | | Quantity[数量] | 1 Piece - 50 Piece | | Physical Properties(物理性质) | | Density ( g cm⁻³ ) | 0.950 | | Flammability | HB | | Limiting oxygen index ( % ) | 17 | | Radiation resistance | Fair | | Refractive index | 1.540 | | Resistance to Ultra-violet | Poor | | Water absorption - over 24 hours ( % ) | < 0.010 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 100.000 - 200.000 | | Heat-deflection temperature - 0.45MPa ( C ) | 75 | | Heat-deflection temperature - 1.8MPa ( C ) | 46.0 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 1900.0 | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.45 - 0.52 @23℃ | | Upper working temperature ( C ) | 55 - 120 | | Electrical Properties(电气特性) | | Dielectric constant @1MHz | 2 - 2 | | Dielectric strength ( kV mm⁻¹ ) | 22.0 | | Dissipation factor @ 1MHz | 1.0000 - 10.0000 x 10⁻⁴ | | Surface resistivity ( Ohm/sq ) | 10¹³ | | Volume resistivity ( Ohmcm ) | 10¹⁵-10¹⁸ | | Mechanical Properties(机械性能) | | Coefficient of friction | 0.29 | | Hardness - Rockwell | D60-73-Shore | | Izod impact strength ( J m⁻¹ ) | 20.0 - - 210.0 | | Poisson's ratio | 0.460 | | Tensile modulus ( GPa ) | 0.50 - 1.20 | | Tensile strength ( MPa ) | 15.00 - 40.00 | | 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 |
其他参数 公差
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