塑料注塑成型材料-物理机械性能表 POM PA6 PP PE
塑料注塑成型材料-物理机械性能表 POM PA6 PP PE
性 质 | 试验法 ASTM | 学 名 | ACETAL | NYLON 6 | PP | PE | |
Chemical Name | |||||||
Properties | 中文名称 | 塑料钢 | 尼龙 | 聚丙烯 | 聚乙烯 | ||
Chinese Name | POM | 6 | PP | PE | |||
物性Physical Properties | D792 | 比重 Density g / cm3 | 1.41 | 1.14 | 0.91 | 0.93-0.96 | |
D570 | 吸水率Water absorption % | 0.22 | 1.80 | <0.01 | <0.01 | ||
Mechanical Properties | D638 | 抗拉 | 620 | 720-840 | 330 | 250 | |
Tensile strength | |||||||
kg / cm2 | |||||||
D790 | 弹力强度 | 910 | 950-1200 | 420-560 | 70.0 | ||
Flexural strength | |||||||
kg / cm2 | |||||||
D785 | 硬度Rockwell hardness | D80-85 | D75-80 | D70-75 | D65-70 | ||
D256 | 冲击强度 | 19.1 | 18.0-25.0 | 3.8 | 20.0 | ||
Izod impact strength | |||||||
kg cm / cm with notch | |||||||
D1044 | 耐磨率 | 14.0 | 3.0-4.0 | 40.0 | |||
Taper wears mg / 1000 | |||||||
times | |||||||
磨擦系数 Friction coefficients | 0.18 | 0.37 | 0.30 | 0.17-0.08 | |||