Cellulose Esters

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

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.

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 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.

The SI Group portfolio of WESTON™ phosphite antioxidants protects plastics and elastomers from peroxide decomposers and offers excellent synergism with primary antioxidants, such as hindered phenols. 

Lithium salts are known for offering improved performance, quality, and endurance to building and construction materials such as concrete, glass, and ceramics. The chemistries also provide unique characteristics and physical properties, which makes it ideal for use in a broad spectrum of industrial applications, from space suits to submarines, from lithium greases to air filtration systems.

Lithium salts are known for offering improved performance, quality, and endurance to building and construction materials such as concrete, glass, and ceramics. The chemistries also provide unique characteristics and physical properties, which makes it ideal for use in a broad spectrum of industrial applications, from space suits to submarines, from lithium greases to air filtration systems.