Selling cheap PVC sheets from Mekar Mas Jaya in Jakarta. Polyvinyl chloride or commonly abbreviated as PVC is a third order thermoplastic polymer in terms of total usage in the world, after polyethylene and polypropylene. PVC is widely produced as building material, PVC is relatively inexpensive, durable, and easily assembled. PVC can be made more elastic and flexible by adding plasticizers, generally phthalates. Flexible PVC is generally used as clothing, piping, roofing, electrical cable insulation, and others.