Maxay yihiin dhinacyada PP ku beddeli kara PVC?
1. Midabka kala duwan: Maaddada PP lama samayn karo hufan, iyo midabada sida caadiga ah loo isticmaalo waa midabka aasaasiga ah (midabka dabiiciga ah ee alaabta PP), cawl beige, caddaan cad, iwm PVC waa qani ee midabka, guud ahaan cawl madow, cawl khafiif ah, beige, fool maroodi, hufan, iwm.
2. Farqiga miisaanka: guddiga PP waa ka cufan yar yahay guddiga PVC, iyo PVC waxay leedahay cufnaanta sare, sidaas darteed PVC waa ka culus yahay.
3. Acid iyo alkali caabbinta: caabbinta aashitada iyo alkali ee PVC way ka fiican tahay tan looxa PP, laakiin qaab-dhismeedku waa jilicsan yahay oo adag, adkaysi u leh shucaaca ultraviolet, waxay u adkeysan kartaa isbeddelka cimilada muddo dheer, ma aha mid gubanaysa, oo leh sun khafiif ah.
