Penmul R490 is a mixture of heavy duty solvents, emulsifiers, penetrating agents, and carbon removers used to degrease metal parts. Typical uses would be to degrease engine blocks, railroad airbrakes, gears, transmission assemblies, and similar metal parts where carbonaceous deposits, heavy greases, varnishes or oxidized soils are present.
5 gal. pail, 55 gal. drum