??? ????? ???

???? ???? ???? ??? ???? ??? ????? ??? ????? ????? ? PVC ??? ??? ?? ??? ????? ??? ???? ???? ???, ?????? ??????. ???? ???? ??? ???? ???? ????, ?????? ???? ???? ?? ????? ???? ???? ?????. ???? ??? ??? ??? ?? ??????? ????? ????? ?? ????? ??? ?? ???? ???? ???? ???? ? ????? ???, ??? ??? ?? ???, ?? ?????; ???? ?? ????? ??? ???, ???? ??? ???? ?????? ???, ?? ????; ??????, ??? ?????? ???, ????? viscosity ????? ?????, ?? ??? ????? ???? ??? ?????. ???? ???? ???? ?????? ????? ??? ???? ???, ???? agglomerate, ?? ??? ??????, ?? ????? ?? ?? viscosity ???? ??? ??? ??? ????? ??? ???? ?????; ?????? ??????? ???? ?? ??-??? ????? ???? ?? ??? ??????? ??? ????? ?? ????? ?? ????? ???? ???????