Profile: Ravi Raj Chemicals is a manufacturer and supplier of chemical products. We are an ISO 9001:2000 certified company. Our products include sulphamic acid, auramine O and metanil yellow. Amino sulphonic acid is a safe acid, packed in 50 kgs HDPE bags and has no handling hazards. It requires no storage/handing arrangement, hence no adulteration is possible. Sulphamic acid is an efficient descaling agent and is used for cleaning a variety of industrial equipement & domestic appliances. It prevents pulp degradation due to temperature at the chlorination and hypochlorite stage. It permits bleaching at higher temperature and lower PH without loss of strength. Sulphamic acid removes excess of nitrites used in the diazotization reactions in the manufacturing of dye stuffs and pigments. Nitrites if present in process water of effluents, can also be removed by using sulphamic acid.