Mapangidwe a chitoliro cha PVC ali ndi: PVC utomoni, kusintha kosintha, stabilizer, kukonza ma modifier, filler, pigment ndi mafuta akunja.1. PVC utomoni Kuti kupeza mofulumira ndi yunifolomu plasticization, njira kuyimitsidwa ayenera kugwiritsidwa ntchito kumasula utomoni.——Utomoni womwe umagwiritsidwa ntchito pakhoma lawiri...
Werengani zambiri