A diaryl phosphite antioxidant with high phosphorus content and high activity, which can be widely used in polyolefin, resin synthesis, lubricating oil, etc., to improve light resistance and color stability. It is used in the synthesis of unsaturated polyester resin, which can effectively improve the color of the resin after synthesis. This product can also be used as a PVC stabilizer to improve its initial color and has good anti-separation performance. The use in lubricating oil can effectively improve the anti-oxidation and anti-wear properties of the oil.
Suggested addition amount: 0.1-2.0%.