PVC is one of the most widely produced thermoplastic polymers in the world after polyethylene and polypropylene. Without the additions of plasticizers, PVC is a naturally white, brittle plastic. It is used in a variety of applications in the building and construction, health care, electronics, automobile, and other sectors, in products ranging from piping and siding, blood bags and tubing, to wire and cable insulation, windshield system components and more.