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Essential Solutions With Extraordinary Results

NAUGARD BIO-XL™

Accelerated Sustainability

95% biocarbon-based accelerator for tires and technical rubber goods that provides improved scorch protection, higher elongation, and prevents blooming.

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WESTON™ 705

Embrace the Future

The next generation nonylphenol-free liquid phosphite antioxidant for plastics and elastomers. Approved for broad food contact worldwide including Europe, China, and USA.

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EVERCYCLE™

Enabling Circularity

EVERCYCLE™ additives for plastic recycling enable greater circularity in the plastics industry by closing the performance gap between virgin and recycled plastic.

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Propofol API

Security of Supply

SI Group offers Propofol Active Pharmaceutical Ingredient (API) production capacity in the U.S. with capabilities to meet customer supply demands.

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NaugaShield™ BIO-TR 30

Bio-Based Cut & Chip Resin

Improved toughness for high demand rubber applications.

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ALKANOX™ AMINOX™ ANOX™ BIK™ OT BLE™ CERIFLOW™ DURAZONE™ ELAZTOBOND™ ETHAFLOW™ ETHANOX™ ETHAPHOS™ EVERCYCLE™ FLEXAMINE™ FLEXZONE™ GENOX™ HEPTEEN BASE™ ISONOX™ LOWILITE™ LOWINOX™ NAUGARD™ NAUGASHIELD™ NAUGATAC™ NAUGAWHITE™ NOVAZONE™ OCTAMINE™ OPEX™ POLYBOND™ Propofol API RETARDER ESEN™ REZICURE™ REZIFLOW™ REZILITE™ RIBETAK™ ROYALTUF™ SUNPROOF™ TRIMENE BASE™ ULTRANOX™ WESTON™

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SI Group’s been providing high-quality products and solutions for over 100 years. Today, we offer leading additive solutions for plastics, rubber, fuels, lubricants, and more. Our broad global footprint spans more than 18 manufacturing sites and joint ventures across the globe to provide our customers with reliable and consistent products and services.