Alkyl sulfonic acid phenyl ester is the auxiliary plasticizer of PVC and PE,it offers good performance on volatilityelement ... formula:RSO3C6H5(R=C12H25C16H25),Molecular weight368-390, freeze point -10oC, refractive rate 1.494-1.500(20oC)it is the auxiliary plasticizer of ... leather, film, shoe bottom , wire and cable, the dosage is 10-30 ratio. It is the plasticizer of rubber, it also can be used in ...