Preperse PET giredi ndikukonzekera kwa pigment komwe kumalimbikitsidwa pamapulogalamu a PET kuphatikiza polyester fiber masterbatch, PET film master-batch.Mitundu ya PET yokhazikika ilinso mumtundu wa granular.Zilibe fumbi, zopanda madzi komanso zoyenera kudyetsa zokha.
Zochepa zomwe zimagwiritsidwa ntchito ponyamula polima zomwe zimagwiritsidwa ntchito zimakhala ndi zotsatira zabwino pamtundu wa rheological wa polima kusungunula komanso paukadaulo wazinthu zomaliza, monga kulimba kwamphamvu komanso kutalika kwa ulusi ndi ulusi.
Kuti mukwaniritse kufunikira kwa FPV pakugwiritsa ntchito mwamphamvu, mapasa-screw extruder ndikupanga mono masterbatch ndikofunikira.FPV wamba ya Preperse PET kalasi ndi ≤ 0.8 bar / g, kutengera chikhalidwe pansi: Nambala ya mesh: 1400;Kuchuluka kwa pigment: 60g;Pigment% mpaka utomoni: 8%.Zomwe zili pamwambazi zimatchula mono masterbatch yopangidwa ndi twin-screw extruder.