【摘要】 本文介绍以国产 HDEP、LDPE 和防老化剂为原料,采用径向扩张成型技术,研制管壁厚度为普通管材的80%以下的管材,所得各项物理机械性能均超过 SG80—75标准要求的指标。更多还原

【Abstract】 Using the domestically-produced HDPE,LDPE and anti-oxidants,the thin-walled pipes were manufactured with diamtrical expansion technique.The wallthickness of the pipe is less than 80% of that of the conventional pipes used.All the physical and mechanical properties arc superior to the SG 80-75standardt’s requirements.更多还原