Yiziphi izici i-PP engazithatha esikhundleni se-PVC? 1. Umehluko wombala: Izinto ze-PP azikwazi ukwenziwa zikhanye, futhi imibala evame ukusetshenziswa ingumbala oyinhloko (umbala wemvelo wezinto ezibonakalayo ze-PP), i-beige grey, i-porcelain emhlophe, njll. I-PVC inombala ocebile, ngokuvamile ompunga omnyama, ompunga okhanyayo, i-beige, i-ivory, i-transparent, njll. 2. Umehluko wesisindo: Ibhodi le-PP lincane kakhulu kunebhodi le-PVC, futhi i-PVC inokuminyana okuphezulu, ngakho i-PVC inzima kakhulu. 3. Ukumelana ne-Acid ne-alkali: Ukumelana ne-asidi ne-alkali kwe-PVC kungcono kunokwebhodi le-PP, kodwa ukuthungwa kuqinile futhi kuqinile, amelana nemisebe ye-ultraviolet, kungakwazi ukumelana nokushintsha kwesimo sezulu isikhathi eside, akushi, futhi ubuthi obuncane.