P-C-610A, FEDERAL SPECIFICATION, CORROSION REMOVING COMPOUND; SCALE REMOVER (PHOSPHORIC ACID BASE) (6 MAR 1992)
P-C-610A, FEDERAL SPECIFICATION, CORROSION REMOVING COMPOUND; SCALE REMOVER (PHOSPHORIC ACID BASE) (6 MAR 1992)., This specification covers a scale and corrosion removing compound for use in the cleaning of metal surfaces.