Polyvinyl Chloride (PVC) Reain is a non-toxic, non-odorous white powder, polymerized by suspension process, with very high chemical stability, good plasticity and excellent electrical insulation. Except some organic solvent, it can resistance to any concentration of Hydrochloric Acid, under 90% Sulfuric Acid, 50%-60% Nitric Acid and 20% Caustic Soda in ambient temperature.