The application test of the product shows that phosphite antioxidant TNP is bett er in heat aging resistance,it is substantially a non-discolouring stabiliser for synthetic rubbers.

• 结果表明 ,亚磷酸酯类抗氧剂TNP有良好的抗热氧老化性能 ,可用作合成橡胶不变色稳定剂