Check the listing for details. POR-15 40204 (METAL PREP) (6 QUARTS ). Condition: New. Listed at 149.99 USD. POR-15® 40204 Metal Prep, 1 qt, Clear Blue Product DescriptionPOR-15® Metal Prep provides the best surface prep for ideal adhesion of POR-15® Rust Preventive Coating on any metal surface, including aluminum and polished metal surfaces. The POR-15® Metal Prep proprietary formula gently etches metal, creating an ideal anchor for coatings such as POR-15® Rust Preventive Coating and POR-15® Top Coat while simultaneously leaving a zinc phosphate coating to insure chemical bonding of paint and steel. POR-15® Metal Prep will neutralize any rust and etch any clean bare metal. POR-15® Metal Prep is a water-based product.FeaturesEasy to use aggressive water based metal etcherCan etch any type of metal, even chromeInsures perfect paint adhesionUnlimited shelf-lifeInsures corrosion resistanceNeutralizes corrosive chemical reactions between metal surfaces and coating solutionImproves welding conductivity