January 4, 2024

Irgafos 168 (CAS 31570-04-4) is a phosphite secondary antioxidant, a processing stabilizer that protects molten plastic from heat damage during extrusion, molding, and recycling. Sold as Antioxidant 168 and under names such as Alkanox 240, it pairs with a primary phenolic antioxidant like Irganox 1010 to keep polyolefins from yellowing and losing strength. This guide […]