HDPE???????PP-R?????????????,HDPE?????????????????,??????????HDPE?????.???????????????????????????,?????佻????????????????,???????????????????齻????????佻??,?????????????????????????????HDPEXa??HDPEXb??HDPEXc,????HDPEXa??HDPEXc????????????PP-R???,HDPEXb???????????,???????????ζ.????PEX???????PEXb??????????,?г??????????PEXb????PEXa?????,??????????????HDPEXa,???HDPEXc?????????????????????????.??PEX?????????????????????Щ???:
HDPEX???????????,?0.41,??PP-R???0.24,??????????????,PEX???????????????????????????,???????????????????????????.
HDPEX?????е???????,???????????????????(??????????),???????????????.?????????е???????????????????????????????????,??????????????????????????????????.?????????????????????????,????????????????????????????????.
HDPEX??????????????????????仯,??ò??????????????????,??????????????????????????.
PEX??????????????,???????????????????????,????????Щ??С?????????????????????????.????????????PE-RT?????,????????????????PP-R?????.
PEX?????????????????,???????????????,?俹?????????????,??????????????????????.
????????,?????????????HDPE????????PP-R?????,?????????????????????????HDPE?????,??????г?????????????????????HDPE????????????PP-R????????????????
???????
??????????????????????????Щ???
?????????????????????????????