SI Group antioxidants gain food contact approval

Schenectady, New York – SI Group has gained food contact approval from the US Food & Drug Administration (FDA) for two “next-generation” liquid phosphite antioxidants.

Weston 705 and Weston 705T have been approved for use as food grade substances in styrene block polymers and repeat-use elastomers, the company said 21 March.

The approval has been granted under conditions of use “A through H with concentration up to 0.5% by weight.”

The “toxicologically-clean” product protects colour and mechanical properties of polymers during the manufacturing, storage, and conversion processes, the…

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