MIGHTY MAX PLUS is a 10% butyl degreaser with caustic. It is very effective in cold or hot water, high pressure washing of mobile homes, RV's, trucks, trailers, buildings, etc. It is also an excellent pre-spray for use on extremely difficult cleaning jobs like black streaks on house gutters, and will clean engines, vinyl, white wall tires, stainless steel, floors, walls and counter tops. The corrosive inhibitors and water softeners in this product help prevent rusting of ferrous metals and scale build-up in heating coils. Dilution ranges from 1:10 to 1:50 dependent upon application. Contains Sodium Hydroxide. USDA approved.