... . It is non staining and nondiscolouring Antioxidant Antioxidant SPWhen Blended In Rubber Disperses easily. ... Antioxidant SP is used in a large number of rubber articles manufactured out of Synthetic and Natural Rubber such as hot water ... bottle, bathing caps, cables insulation and sheathing, brightly coloured articles, white tyre side walls, footwears, Mattings, M C. Sheets etc. Antioxidant ...