Pele ho ts'ebetso ea mantlha ea extrusion, phepelo ea polymeric e bolokiloeng e kopantsoe le li-additives tse fapaneng joalo ka li-stabilizers (bakeng sa mocheso, botsitso ba oxidative, botsitso ba UV, jj.), li-pigments tsa mebala, li-retardants tsa malakabe, li-fillers, lubricant, li-reinforcements, joalo-joalo ho ntlafatsa boleng ba sehlahisoa le ts'ebetso.Ke...
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