PPR pipe is a new type construction material widely used in civilian and industrial water supply and sewerage system, but it is poor in hot and pressure resistance.
(无规共聚聚丙烯)管材是广泛应用于民用和工业给排水系统的一种新型建筑材料，但存在耐热、耐压性能方面的不足。
Currently accepted use most is the PPR pipe, plastic pipes, such as aluminum composite pipe drain is PVC pipe.
目前公认使用最多的供水管是PPR管、塑铝复合管等，排水管是PVC管。
PPR pipe is a new type construction material widely used in civilian and industrial water supply and sewerage system, but it is poor in hot and pressure resistance.
PPR(无规共聚聚丙烯)管材是广泛应用于民用和工业给排水系统的一种新型建筑材料，但存在耐热、耐压性能方面的不足。
Structure and properties of the special random copolymer of propylene(PPR) for pipe were studied by NMR, XRD, DSC and GPC and compared with imported samples.
采用核磁共振（ NMR）、X衍射仪、 差示扫描量热法（ DSC）、凝胶渗透色谱（ GPC）等分析技术对无规共聚聚丙烯（PPR）管材专用料的结构和性能进行研究，并且与国外料进行了对比。
Structure and properties of the special random copolymer of propylene(PPR) for pipe were studied by NMR, XRD, DSC and GPC and compared with imported samples.
采用核磁共振（ NMR）、X衍射仪、 差示扫描量热法（ DSC）、凝胶渗透色谱（ GPC）等分析技术对无规共聚聚丙烯（PPR）管材专用料的结构和性能进行研究，并且与国外料进行了对比。
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