POR-15 Rust Remover rust dissolving solution for intricate parts POR-15 Rust Remover will safely convert and remove light or heavy rust completely from metal surfaces and will not affect plastic, PVC, Viton, or most paints. One gallon of this rust remover product derusts several hundred pounds of heavily rusted steel. This equates to around 1/2 to 3/4 pounds of dry rust removed per gallon. The excellent chelation capabilities of POR-15 Rust Remover will not harm un-rusted steel and is safe on other metals. This industrial rust eliminator requires no sanding or scrubbing. POR-15 Rust Remover works in as little as 25 minutes for light rust or overnight for heavy rusted metal. How it works All of the rusted areas must be submerged in the Rust Remover for it to work. When all of the rust has been removed, rinse the metal pieces with water. POR-15 Rust Remover works in as little as 25 minutes for light rust or overnight for heavy rusted metal. For best results, use POR-15 Cleaner Degreaser to clean parts before using POR-15 Rust Remover. 30 Minutes Sorry, your browser doesn't support embedded videos. Overnight Sorry, your browser doesn't support embedded videos. Features: Fast Acting Formula Safe to Use On Plastic, PVC, Viton, and Most Paints Easy to Use Reusable and Biodegradable No Sanding or Scrubbing Water-based rust inhibitor solution Professional Results Environmentally Friendly Safe on Delicate Metal Parts Noncorrosive Odorless Will Not Harm Non-Rusted Surfaces Use POR-15 Rust Remover for a safe and powerful rust dissolving bath on complex parts; Starts working in just 20 minutes. Great for Automotive Parts Farm Equipment Gardening Tools Camping Gear Boat Parts - POR-15 Rust Remover Technical Data Sheet