Profile: Guardian Anti Corrosives Pvt. Ltd is engaged in manufacturing various products such as anti corrosive chemicals, degreasers and derusters, metal treatment chemicals, phosphating chemicals, aluminum phosphate, aluminum chromating, black oxidizing chemicals, rust preventives and rust converters. We are an ISO 9001 certified company. Our range of heavy phosphating chemicals can give a heavy, absorptive zinc phosphate coating between 1000 and 2500 mg/sq ft, and a manganese phosphate coating of 1500 to 4000 mg/ sq.ft.