ASTM A653 – Hot Dipped Galvanized substrate  PVS (Polyvinyl coated material is often refered in the HVAC industry as PCD) coated hot dipped steel combines the strength and durability of steel with the chemical inertness of plastic.  PVS is ideal for exhaust hoods to be used in the chemical industry.Typical Uses for P.V.S Coated Sheets and Coils –

• Underground ductwork
• Spiral Pipe that is exposed to chemical exhaust
• Exhaust hoods exposed to radioactive isotopes