LDPE/J5019/日本宇部该料用途注塑塑料花性能项目试验条件[状态]测试方法测试数据数据单位基本性能熔体流动速率ASTMD-123850g/10min相对密度ASTMD-15050.918kg/m3机械性能拉伸断裂强度ASTMD-6388MPa硬度ASTMD-224045ShoreD拉伸断裂伸长率ASTMD-638250%弯曲强度ASTMD-727110MPa热性能维卡软化点ASTMD-152578℃脆化温度ASTMD-746-30℃)