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SI Group Main Antioxidants


SI Group Main Antioxidants are primary and secondary antioxidants which are well-known, workhorse chemistries that work in a variety of systems. They are available in powder, granular, and non-dusting forms and have FDA approval in select applications.

Problems Solved

Availability of primary antioxidants in powder and granular forms
Dusting and handling difficulties of powder and dusting antioxidants
Long lead time and supply issues with imported primary antioxidants
Degradation and decomposition of polymers due to oxidative degradation and aging
Extraction of antioxidants from the polymer compounds during the manufacturing process
High volatility of antioxidants in high-temperature processes
FDA clearances and regulatory approvals for use in food contact applications

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