聚乙烯低密度,颗粒, LDPE, Natural, Additive Free Polymer
产品介绍
| 订货号 | 包装规格 | | Weight | | 727-716-45 | 100g | | 686-919-32 | 500g | | 052-509-12 | 1000g | | 483-428-87 | 2000g |
产品参数 | Colour[颜色] | Natural | | Description[描述] | Injection Moulding Grade | | Grade[等级] | Additive Free Polymer | | Melt Flow Rate (MFR)[熔体流动率] | 21 | | Nominal Granule Size[标称颗粒大小] | 5 | | Weight[重量] | 100g - 2000g | | Chemical Resistance(耐化学性) | | Acids - concentrated | Good-Fair | | Acids - dilute | Good | | Alcohols | Good | | Alkalis | Good | | Aromatic hydrocarbons | Fair-Poor | | 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 ) | 0.920 | | Flammability | HB | | Limiting oxygen index ( % ) | 17 | | Radiation resistance | Fair | | Refractive index | 1.510 | | Resistance to Ultra-violet | Poor | | Water absorption - over 24 hours ( % ) | < 0.015 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻1 ) | 100.000 - 200.000 | | Heat-deflection temperature - 0.45MPa ( C ) | 50 | | Heat-deflection temperature - 1.8MPa ( C ) | 35.0 | | Lower working temperature ( C ) | -60 | | Specific heat ( J K⁻1 kg⁻1 ) | 1900.0 - 2300.0 | | Thermal conductivity ( W m⁻1 K⁻1 ) | 0.33 @23℃ | | Upper working temperature ( C ) | 50 - 90 | | Mechanical Properties(机械性能) | | Elongation at break ( % ) | 400.0 | | Hardness - Rockwell | D41-46-Shore | | Izod impact strength ( J m⁻1 ) | > 1000.0 | | Tensile modulus ( GPa ) | 0.10 - 0.30 | | Tensile strength ( MPa ) | 5.00 - 25.00 | | Electrical Properties(电气特性) | | Dielectric constant @1MHz | 2 - 2 | | Dielectric strength ( kV mm⁻1 ) | 27.0 | | Dissipation factor @ 1MHz | 1.0000 - 10.0000 x 10⁻⁴ | | Surface resistivity ( Ohm/sq ) | 1013 | | Volume resistivity ( Ohmcm ) | 101⁵-101⁸ |
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