types of plastics and regulations
PVC redirects here. For other uses, see PVC (disambiguation). Polyvinyl chloride (/ËpÉlivaÉªnÉl ËklÉÉraÉªd/), more correctly but unusually poly(vinyl chloride), commonly abbreviated PVC, is the world's third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene. PVC comes in two basic forms: rigid (sometimes abbreviated as RPVC) and flexible.