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POR-15 Rust Preventive Coating is a metal treatment designed to prevent rust. It comes in a six-pack of four-ounce cans, allowing for measured application and minimal waste. The coating forms a non-porous layer that shields metal from water, chemicals, salt, and other corrosive elements. Notably, the black and gray variations are non-conductive, making them suitable for electric vehicle conversions. However, prolonged UV exposure necessitates a top coat for the product's longevity.
Metal that is media blasted provides the best surface for coatings. If not possible, remove all built-up dirt, loose rust, and paint. Note that if you leave old paint behind, the rust preventive can only adhere as strongly as the paint it is applied over. This generally is not as strong as applying to prepped and scuffed-up bare metal.
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