Boeshield Rust Free is a top - notch rust, corrosion, and stain remover. It's suitable for various materials like steel, cast iron, stainless steel, fiberglass, chrome, tile, porcelain, vinyl, and cloth. For light rust on steel or cast iron, spray Rust Free on a rag and wipe the surface. Avoid direct spraying to prevent spotting. When dealing with heavy rust, thoroughly wet the surface with Rust Free, let it soak in for 30 seconds, then scrub with a Scotch - Brite pad before wiping off. Note that Rust Free is acidic. Rinse it thoroughly off painted surfaces and neutralize with soap and water. Don't use it on guns or black oxide tools as it can dull paint or plastics and cause spotting on cast iron or steel. After cleaning with Rust Free, use Boeshield T - 9 to protect bare metal surfaces.

Using Boeshield Rust Free is easy. If you have light rust on steel or cast iron, just spray it on a rag and wipe the surface. Don't spray it directly on the item, or you might get some spots. For heavy rust, pour enough Rust Free on the surface to wet it completely. Wait for 30 seconds to let it soak in, then scrub with a Scotch - Brite pad and wipe it off. Remember, Rust Free is acidic. So, if it gets on painted surfaces, rinse it well and use soap and water to neutralize it. Also, don't use it on guns or black oxide tools, as it can damage paint and plastics and cause spots on cast iron or steel. Once you've cleaned with Rust Free, it's a good idea to use Boeshield T - 9 to keep the bare metal surfaces protected.