Silverhook Non-Caustic Traffic Film Remover is a fully concentrated blend of detergents and sequestrates, that cuts through traffic film, grease, and oil. Ease of dilution makes it suitable for light, medium and heavily soiled vehicles, and is ideal for use in pressure washers and can also be hand applied. Simply apply, and hose off for excellent results. Dilution ratio: Light duty 1:200, Heavy duty 1:160.