PB管材(聚丁烯)是一种高分子惰性聚合物,诞生于70年代,PB树脂是由丁烯-1合成的高分子综合体,是具有特殊密度(0.937)结晶体,是具有柔软性的异性质体。

目录

3交联聚乙烯（PE-X）管材用途特点............................................................................................................................................................................................3

PEX管材的优点......................................................................................................................3PEX主要技术指标..................................................................................................................4PEX管的应用领域..................................................................................................................4耐热聚乙烯PE-RT产品简介：.....................................................................................................4

PE-RT产品优点：...................................................................................................................5PE-RT应用领域.......................................................................................................................5PE-RT材料物理性能指标.......................................................................................................5PE-RT管材规格.......................................................................................................................6

7聚丁烯PB管道简介................................................................................................................................................................................................................................................7

PB管材特点.............................................................................................................................9

1）、使用年限·使用寿命长达50年................................................................................92）、无毒...........................................................................................................................93）、耐冻裂及耐热性.......................................................................................................94）、抗冲击.......................................................................................................................95）、耐腐蚀性.................................................................................................................106）、柔韧性·自重轻........................................................................................................107）、抗老化性.................................................................................................................108）、保温性.....................................................................................................................109）、经济性.....................................................................................................................1010）、抵抗紫外线能力强，能防藻类物生长...............................................................1111）、优良的可加工性...................................................................................................1112）、保护生态环境.......................................................................................................11PB管材用途...........................................................................................................................11

1）、给水(卫生管)及热水管...........................................................................................112）、农业用园艺用管.....................................................................................................113）、除雪用管(RoadHeating)........................................................................................124）、供暖用管.................................................................................................................125）、工业用管.................................................................................................................126）、温泉用管.................................................................................................................127）、采太阳热住宅的温水管.........................................................................................12PB管材的规格尺寸...............................................................................................................12表2物理和化学性能.............................................................................................................13

主要应用领域.................................................................................................................14连接技术.........................................................................................................................14长期强度.........................................................................................................................15PB管道系列的选择.......................................................................................................17

18几种常用的采暖用塑料管道对比..................................................................................................................................................................................1818PB管材的等应变蠕变性能......................................................................................................................................................................................................182070℃条件下各类管材的环应力曲线比较表..................................................................................................................................................20