名称：Goodfellow（顾特服）
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聚乙烯,低密度,颗粒, LDPE, Natural, Additive Free Polymer
材料 >> 聚合物材料
| 品牌: | Goodfellow |
| 产地: | 英国 |
产品介绍
| 订货号 | 包装规格 |
| Weight | |
| 563-626-42 | 100 g |
| 453-307-57 | 200 g |
| 663-446-87 | 500 g |
| 930-853-08 | 1000 g |
| 356-627-10 | 2000 g |
产品参数
| Colour[颜色] | Natural |
| Grade[等级] | Additive Free Polymer |
| Melt Flow Rate (MFR)[熔体流动率] | 0.3 |
| Nominal Granule Size[标称颗粒大小] | 5 |
| Weight[重量] | 100 g - 2000 g |
| 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 |
