Petroleum Based Cavity Wax Coating is a slightly thixo tropic fluid formulated with waxes, corrosion inhibitors and hydrocarbon solvents. The Coating has good creep qualities, penetrates well into the spaces to be protected. The Coating forms a tough, waxy film, which has good water repellent properties giving good protective layer with excellent humidity resistance. The Petroleum Based Cavity Wax Coating is an indoor/ outdoor rust-preventive agent.