《PP 物性表》.doc

燕山石化聚丙烯(PP)塑膠粒物性彙總表???PP?resin?consolidated?property?data?sheet ①原料描述部分 Specification Inject grade 　 A? Usage Industrial bearing components, prams Comments ②加工条件 ? ③原料技术数据 Test condition Test method Test data Unit Basic performance 基本性能 Melt flow rate熔融流动速率 230℃ ASTM D-1238 14 g/10min Water imbibition 吸水性 After 24 hours ASTM D-570 0.02 % Density 密度 ASTM D-1505 0.9 g/cm3 Mechanical properties 机械性能 IZOD notched impact strength IZOD缺口冲击强度 23℃ ASTM D-256A 2.6 Kg.cm/cm Elongation at break 断裂伸长率 ASTM D-638 10 % Tensile yield strength 拉伸屈曲强度 ASTM D-638 360 Kg/cm2 Rockwell hardness 洛氏硬度 ASTM D-785A 97 R scale Thermal properties 热性能 Bending modulus 弯曲模量 ASTM D-790B 17500 Kg/cm2 Heat Deflection Temperature热变形温度 4.6kg/cm2 ASTM D-648 99 ℃