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?? ?????? ????? ????? ??????? ?????? ?????? ? ????????? ??????? ?????? ?????? HDPE ????????? ??????? ?????? ?????? PVC ??? ??????? ??????. ??? ????? ?? ?? ?????? ????? ? ??? ?? ???? ???????? ?????? ?? ?????????? ?????? ????? ??????? ???????? ??? ???????. ????? ??? ??????? ?????????? ?? ??????? ??????? ?????? ????? ?????? ??????? ? ????? ?????? ????? ?????. ???? ? ????? ?? ?????? ?????: ??? ???? ????? ???? ? ????? ????? ?? ?? ??? ????? ?????? ????? ??? ?????? ???????? ????? ??????? ?????? ??????? (???) ????? ????? ???? ? ?????? ????? ??????? ???????? (-40 ???? ?????) ? ?????? ????? ? ?????-- ????? ??????? ??? ?? ?? ?????? ???????? ?????? ????? ?????? (??) ???? ????? ????? ? ?????? ????? ??????? ??????? (50 ???? ?????) ? ??????? ??????? ????????? ???? ? ?????? ??? ????? ???? ?? ???? ????? ??????
?????? ??????:
HDPE ??????? ?? ??? ???? ?? ??? ??? ???? ?? 300 ? ? ?? ??? ?? ?? ??? ????? 50 ?. ?? ??????? ???????? ??? ????? ?????? ? ??? ???? ?? ????? ??? 50 ???? ? ? ?? ????? 20-30 ????. 2. ?????? ??????: ???? ????? ???? ????? ???? ??????? ? ???? ?????? ???? HDPE ????? ???? ???? ????? ?????: ?????? ???????? ????? (????? ?????? ??? ?????????) + ?????? ???????? ????? (?????? ??? ????????) ?????: ???? ??????? ???? ? ???? ?? ???? ?????? ????? ??? ????? ?????: ??? ??? ????????? ? HDPE ??? ????? 30 ? ?? ???????? ??????? PVC ???? ??????? ???????: ????? ??? ???? (?? ?????) ? ???? ??? ????? ?????: ???? ??????? ??? ??? ? ??? ??? ????? ??? ???????? ????. 3. ?????? ??????? ?????? ???? ??? ?????: ?????? ???????? ???? + ?????? ???????? ????? = HDPE ? ???? ????? ??????? = ?????? ??? PVC: ???? ??? HDPE 15 ??? ????? ? ?? ????? ??? PVC ??? ????. ???????? ??? ?????: ???? ??? ???? ???????? ? ??? ????? ?? ???? ????? ? ??????? ??????? ??????? ???? ???? ?? ???? ?????? ???????? ?????? ????? ?? ??? ????? ? ??????:
HDPE ?????? ?????? ?????? ????????: ?????? ??????? ??????? ??????? ???? ??????? ???????? ? ???? ????? SN8-SN16 ??????? ?? ?????? ?????? ?????? ????????: ???? / ????? ???? ????? ???????? ? ?????? ??? ????????? ???????? ??? ???????: ????? ?????? ???????? ??????? ? ??? ????? ???? ???????
