Rust-Buster penetrates deep and fast to release rusty bolts, nuts and fittings almost instantly. A long lasting lubricant that protects against further rusting. Fast capillary action. Excellent penetration. High graphite content for additional lubrication. Contains no silicone - Body Shop safe! No chlorinated solvents.
20 oz. aerosol can.
Safety Data Sheet: http://internationalepoxies.com/documents/msds_4777.pdf