The SI Group offers a broad range of polymer stabilizer solutions to support the largest bipartisan stimulus package for the U.S. infrastructure applications.

The SI Group portfolio of antioxidants and coupling agents offers composites, alloys, and blends the stabilization and protection for under-the-hood automotive components.

The SI Group portfolio of POLYBOND™ coupling agents offers improved performance for wire and cable compounders utilizing HFFR solutions.

The POLYBOND™ 3200 from SI Group is legendary for its performance as a coupling agent in plastic applications. The 3200 outperforms other coupling agents with superior thermal stability, color control and less degradation.

The SI Group portfolio of POLYBOND™ coupling agents improves mechanical performance for recycled filled composites by strengthening the coupling bond.

Learn how SI Group offers the best-in-class antioxidants, UV stabilizers, and coupling agents for clean, renewable energy.

Polypropylene systems have high stabilization demands. To meet increasing melt, color, and storage performance standards, SI Group has launched the ULTRANOX™ 800 antioxidant series.

The portfolio of WESTON™ liquid phosphite antioxidants offers excellent synergism, improved color, and processing stability and offers a variety of food contact approvals depending on your plastic applications.