PVC vísar til pólývínýlklóríð plastefnis (Pólývínýlklóríð) vísað til sem PVC. Það er vinyl fjölliða efni, og efni þess er myndlaust efni.

Í hagnýtri notkun, PVC materials often add stabilizers, smurefni, auxiliary processing agents, pigments, impact resistance agents and other additives. It has non-flammability, hár styrkur, weather resistance and excellent geometric stability.

PVC is very resistant to oxidizing agents, afoxunarefni og sterkar sýrur. Hins vegar, it can be corroded by concentrated oxidizing acids such as concentrated sulfuric acid and concentrated nitric acid and is not suitable for contact with aromatic hydrocarbons and chlorinated hydrocarbons. Auk þess, the term person vs computer in the game is abbreviated as PVC, and PVC human figures are often abbreviated as PVC and so on.

It is often used on blister caps.