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 20 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.
Features: Fast Acting Formula Safe to Use On Plastic, PVC, Viton, & Most Paints Easy to Use Reusable & Biodegradable No Sanding or Scrubbing Water-Based Professional Results Environmentally Friendly Safe on Delicate Metal Parts Noncorrosive Odorless Will Not Harm Non-Rusted Surfaces Great for: Automotive Parts Farm Equipment Gardening Tools Camping Gear Boat Parts