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WE need the following dyes & chemicals;- 1)Sulpher Black-BR, 2)Hydrogen Peroxide-50% & 35%(OCI) or other.s, 3)Sodium sulphate-99%, 4)Sodium hydrosulphate-85%, Sodium Sulphide-60%, Bleaching powder-65%(kaporit) or others, Custic soda-(Solid&Flake), Soda Ash light-99%, Acitic Acid-99.7%. dyestuffs, chemical Custic Soda - Flake,Solid