Antioxidant solutions for food-contact applications

SI Group’s Weston 705 and Weston 705T liquid phosphite antioxidants have been granted an extension of existing approvals by the US Food & Drug Administration for use as food-contact substances in styrene block polymers and repeat-use elastomers under conditions of use A through H with concentration up to 0.5 % by weight (FCN 1927), effective 15 March 2019.