Waxyaabaha la midka ah iyo kala duwanaanshaha u dhexeeya PVC iyo PVDC
Halkan waxaa ah isku mid ahaanshaha iyo kala duwanaanshaha u dhexeeya PVC (Polyvinyl chloride chloride) iyo Pvdc (Polyvinylide chloride chloride):
U eg:
Kala duwanaansho:
Waxaa muhiim ah in la ogaado in PVC iyo PVDC ay leeyihiin guryo kaladuwan oo ay ku habboon yihiin codsiyada kala duwan. PVDC waxaa badanaa loo isticmaalaa codsiyada baakadaha xayiraada sareeya halka loo baahan yahay xargaha xayiraadda sare, In kasta oo PVC ay ka hesho codsiyada warshado fara badan oo kala duwan sababtuna tahay is-waafajinta iyo waxtarka.
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