一、内容概述聚氯乙烯塑料管是以聚氯乙烯树脂为主要原料，混入各种助剂、填充剂等辅助材料，经混合、挤出，生产出管材，或经注塑生产出管件，在工程中按设计要求将管材与管件组装成管道系统。聚氯乙烯管主要用于建筑给水排水管道系统，城镇给水与市政排水管道系统，建筑雨水 I. Outline of content Polyvinyl chloride plastic pipe is based on polyvinyl chloride resin as the main raw material, mixed with various auxiliary materials, fillers and other auxiliary materials, after mixing, extruding, to produce pipe, or to produce pipe fittings through injection molding, in the project According to the design requirements, the pipes and fittings are assembled into a piping system. PVC pipes are mainly used for building water supply and drainage pipe systems, urban water supply and municipal drainage pipe systems, and construction rainwater