methylene chloride The product serves for coating solvent, metal degreasing, aerosol, polyurethane foaming agent, safety photogr . It is used successfully in foam blowing, pharmceuticals and cosmetics, paint and varnish remove, plastics processing, aerosols, metal degreasing and cleaning. It is used as a process solvent in its own right and as a highly versatile solvent for formulation work when mixed with other chemicals .