A phenol-free and environmentally friendly phosphite antioxidant, it is an effective heat stabilizer for PVC, polyurethane and polymers. This product is used in polyurethane to effectively improve the polymer's resistance to smoke fading, heat discoloration and hydrolysis resistance. This product can be used in PVC to improve heat resistance stability and high temperature migration resistance.
Recommended addition amount: 0. 1-2.0%.