宁波市中澳神州化工有限公司***高韧性高硬度热稳定高密度聚乙烯HDPE3301韩国SK河北京宁波浙江苏州台州销售***186066163280574-22684818传真0574-86643364密度ASTMD-15050.954g/cm3机械性能拉伸屈服强度ASTMD-638250kg/cm2断裂伸长率ASTMD-638>500%弯曲模量ASTMD-7909000kg/cm2硬度ShoreDASTMD-224063D热性能脆化温度ASTMD-746<-80℃)