USE THIS AS A BASECOAT FOR NON-CHROME OR BRIGHT METAL SURFACES BEFORE USING DUPLI-COLOR METALLIC PURPLE ANODIZID PAINT (EMC204007) Dupli-Color® METALCAST Anodized Colour turns ordinary Chrome Pieces into a Bright, Transparent-Coloured Metallic Finish in an easy one-step process. METALCAST is a durable enamel finish that is Oil, Gas, and Heat Resistant up to 500°F intermittently, making it ideal for Interior and Exterior, and High Heat applications under the hood. Specially formulated to work over Properly Prepared Shiny, Bare Metal and Faux, Chrome-like surfaces.