Molemo oa sehlahisoa:
Ka sistimi ea PVC, letsoalo le tlase boka ba polyethylene e oxidized e ka etsoa polasetiki pele ho nako, 'me torque ea morao e fokotsehile.senaboka bokae na le lubrication e ntle ka hare le kantle.E ka ntlafatsa ho arohana ha mebala, ea fa lihlahisoa khanya e ntle le ho ntlafatsa katleho ea tlhahiso.
Kopo :
E ne e sebelisoa ka 'mala masterbatch, lihlahisoa tsa PVC, Wax emulsion (emulsification), thepa e fetotsoeng.