Application Progress of Polyethylene-based Special-purpose Materials for Gas Pipe

doi:10.19491/j.issn.1001-9278.2018.07.003

Abstract

Abstract: This article reviewed the application progress of plastic pipe in the field of gas transport and distribution. The development history of key technologies for preparation of polyolefin was introduced briefly, and the difference of performance requirements for polyethylene (PE) compounds was analyzed by comparing GB 15558.1—2015 with GB 15558.1—2003. Moreover, the difference of performance requirements between the international standard ISO 4437 and European standard EN 1555 was also analyzed. The highperformance characteristics and development processes of PE80, PE100, PE100RC grad PE materials were particularly discussed, and the suggestion for the development of PE125 grad PE material was proposed.

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