Ngwakọta ihe eji eme ihe na ihe onwunwe nke plastik osisi PVC.Osisi PVC ntụ ntụ na eriri osisi na ndochi inorganic (calcium carbonate), mmanu, stabilizer, onye na-afụ ụfụfụ, onye na-ahụ maka ụfụfụ, toner na ihe mgbakwunye ndị ọzọ metụtara ya (plasticizer, onye na-eme ihe ike, onye na-ejikọta ọnụ), wdg 1, resin domest ...
GỤKWUO