Polysulfone (PSU)

Tospearl™ series resins can decrease the contact between film layers, preventing them from sticking together. The silicone improves clarity in the films while requiring lower usage levels than other antiblocks like talc or mica.

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.

SI Group LOWILITE™ Hindered Amine Light Stabilizers (HALS) protect polyolefins from the damage of artificial light and sunlight. 

ALKANOX™ 240 phosphite is an organo-phosphite antioxidant that exhibits excellent hydrolytic stability.

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.