【摘要】 指出了目前推广的5种室内小口径塑料管材存在的缺点。介绍了聚乙烯(PE)管材特别是PE大口径双壁波纹管和中空缠绕管在排水领域中的应用,并指出了PE管材目前尚不能在热水领域中使用的现状。介绍了2002年陶氏公司、2003年韩国SK株式会社研制开发的耐热聚乙烯(PE-RT)DX800管材专用料的性能,及其在热水管领域,特别是在地板采暖、铝塑复合管中替代交联聚乙烯的巨大优势。将PE-RT材料这种国际先进技术介绍给国内广大用户,可促使PE-RT管材在中国得到较大的发展。更多还原

【Abstract】 The current status of hot watering pipe materials used in China is reviewed.It is pointed outthat there is still not a perfect material(including PEX,PPR,PB)with excellent character,recyclable andgood price in hot watering pipe area in China by 2002.A new type material——polyethylene of raisedtemperature resistance(PE-RT),which is fit for hot watering pipe and is symthesized by the corporationof DOW and SK,is introduced in this paper.The authors wish to promote the widely use of PE-RT pipein China through the introduction of this paper.更多还原