B & M Chemical Limited manufactures Sodium Bichromate. B & M Chemical Limited also manufactures PVC Sheets and Food & Bakery Chemicals. Sodium Bichromate comes in bright orange red crystal form. Its chemical name is Chromic acid disodium salt dehydrate. It is used in chemical manufacture as corrosion inhibitor and for producing chrome tannage in dye production. It also finds application in pickling and bright dipping, non-ferrous metals, pigment production, and Wood dying.