Poly ( fainali kiloraidi) Poly ( fainali kiloraidi) PVC jẹ pilasitik kiloraidi polyvinyl, awọ didan, resistance ipata, iduroṣinṣin ati ti o tọ, nitori afikun ti plasticizer, oluranlowo ti ogbo ati awọn ohun elo oluranlọwọ majele miiran ninu ilana iṣelọpọ, nitorinaa awọn ọja rẹ Nigbagbogbo ma ṣe tọju ounjẹ ati…
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