G31 RESOLVE ULTRA is a unique formulation combining incredible degreasing power with a low-hazard, environmentally friendly profile. Replacing hard solvent cleaners which are highly flammable and toxic, G31 Resolve Ultra is a truly multi-purpose problem solver. Safe for use on metals, concrete, tiles, plastic, painted surfaces, glass and fabrics. Do not use on rubber surfaces or polyuerethane foams. If in doubt, trial in a small inconspicuous area before using.