Polyethylenimine (PEI)

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.

Capstone™ fluorosurfactants lead the way in technology designed to lower surface tension, imparting benefits such as improved cleanability, better substrate wetting, and improved water/ oil resistance...

Janssen PMP offers various pyrithione-based antimicrobials under the PYRION™ brand to reduce microbrial growth in various applications. Zinc Pyrion™ can be used as an antimicrobial agent in the plastics industry to safely protect against microorganisms.

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

SI Group™ carries a full portfolio of IRGANOX®, TINUVIN®, and Uvinul® drop-in equivalent antioxidants and UV stabilizers for the coatings and adhesive industries.

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.