... world. Product purity is more than 99%. Triphenyl Antimony (S-30) is a special stabilizer for UPR ... for wood and metal (automotive) repair, etc..Triphenyl Antimony (S-30) is also used in vinyl esters production ... a chain transfer agent to control molecular weight distributions.Specifications:Antimony,wt% 33.5~35.5Chloride,wt% ≤ 0.1LOD, ... toluene,petroleum, ethyl ether and chloroform. TRIPHENYL ANTIMONY