Non-toxic phosphite ester 1500 is the non-toxic stabilizer of polyvinyl chloride (PVC), mainly used as the partial replacement of organic tin stabilizer in non-toxic products such as PVC material,film and sheet with the purpose of reducing the production cost. It can also be used as oxygen heat stabilizer in PE, PP, ABS and SBS.There is good synergistic effectbetween non-toxic phosphite ester 1500 and antioxidants like"1010", which can improve the effect of antioxidant and reduce the product cost. The s estive dosage is around 0.5 units.