PVC is rated self-extinguishing, has an exceptional chemical resistance and has high mechanical and tensile strength - combined with a high degree of stability which together makes this easily weldable product one of the most versatile general purpose plastics available. PVC rigid sheet comprises of PVC resin, stabilizers, lubricants, plasticizers, fillers, impact modifiers, pigments and other additives. PVC is an abbreviation for Polyvinyl Chloride.