SI Group announced that the next-generation liquid phosphite antioxidants, WESTON™ 705 and WESTON™ 705T, have been granted an extension of existing approvals by the U.S. Food & Drug Administration (FDA) 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.
This approval permits the antioxidant to be widely applied in the growing elastomers industry. The innovative chemistry of WESTON™ 705 provides effective protection of color and mechanical properties of polymers during the manufacturing, storage, and conversion processes, including their use in food-contact applications.
WESTON™ 705 and WESTON™ 705T is currently approved for use in food-contact packaging in more than 180 countries, including the United States, Canada, Europe and China.
SI Group is a leading global developer and manufacturer of performance additives, process solutions, pharmaceuticals and chemical intermediates, with strong market positions in the plastics, oilfield, rubber, fuels & lubricants, active pharmaceutical ingredients and industrial resins industries. Headquartered in Schenectady, New York, U.S.A., SI Group operates more than 30 manufacturing facilities on five continents with approximately USD2 billion in annual sales, and more than 3,000 employees worldwide. SI Group is a portfolio company of SK Capital Partners.