Cerama Coat is easy to use; Just Clean, Spray and Bake. It can be applied over bare metal, blued steel, anodized aluminum, parkerizing and plastics. Harder and more durable than your gun's original finish. Slick finish can be used on moving parts. Metal bake at 300 degrees for 30 minutes. Plastic bake at 200 degrees for 2 hours. Read full instructions. NOTE: Baking some plastics at this temperature may cause permanent deformation. BEFORE baking any plastic part, contact and consult with the manufacturer of the part to ensure that the part can withstand 200 degrees for 2 hours.