VpCI-422 removes rust and tarnish from steel, iron, copper and brass. VpCI-422 removes corrosion from metal without creating waste disposal difficulties and is more operator friendly than traditional rust removers. VpCI-422 G is a modification of VpCI-422, which is recommended for galvanized steel. It will not adversely affect most paints, plastics, wood, textiles, ceramics or rubber when used as recommended. Removing corrosion from metal is easy; just apply VpCI-422 and rinse with water. VpCI-422 is completely organic and does not require special disposal for typical use. It is especially helpful for outdoor and marine applications where chemical waste disposal can be a problem. In rare situations, waste treatment may be required if large quantities of pollutants are accumulated during cleaning.