Amalungiselelo ombala we-PVC angaphambili asekelwe kubathwali be-polyolefin, lapho ama-pigments ahlakazeke kahle ngaphambili.
Amalungiselelo ombala we-PVC alungele i-polyvinyl chloride, asetshenziselwa izinhlelo zokusebenza afaka ukubunjwa komjovo, i-extrusion, amafilimu nezinye izinhlelo zokusebenza zomhlaba wonke.Kucelwa kuphela amandla aphansi okugunda ukuze kuhlakazwe lezi mibala.Umshini oyisikulufa owodwa ungaba into esebenzayo lapho wenza i-mono master-batch noma i-masterbatch yombala nge-Preperse PVC pigments.Ngakho-ke, i-Preperse PVC pigments isiza ekukhiqizeni okuguquguqukayo, isikhathi esincane sokuhlanza imishini.
Imibala ye-PVC engaphambili iwuthuli oluphansi, i-granule egxile kakhulu.Isistimu yokuphakela ngokuzenzakalelayo kanye ne-metering iyenzeka futhi iyathandeka uma usebenzisa lezi mibala.