POR-15 Alloy Prep Soft Metal Etching Rust Neutralizer (formerly AP-120 Metal Prep) is designed exclusively for use with our 2K Urethane Clear, Alloy Prep guarantees perfect adhesion of 2K Urethane to any metal surface, especially chrome or polished aluminum, where good adhesion is often difficult to achieve and where other solutions may discolor. Alloy Prep is non-flammable with no noxious fumes. Wear rubber or latex gloves when using.
