Antioxidant sp Molecular formula: c30h30o Chemical name: styrenated phenols Executive standard: q/hg 16-254-82 Specification: Index grade First second Appearance pale yellow clear heavy-solid Viscosity (pt) 30-50 20-39;51-60 Refractive indexd2 1.5985-1.6020 Specific weigh 1.07-1.09 Ash content %_ 0.50 1.00 Application: it is a stabilizer of synthetic rubber includin sbr neoprene and ethylene-propylene rubber and natural rubber. It+s very good ageing resistance properties for rubber products and emulsion products. Can improve product+s heat proof, oxidation resistance and ageing resistance performance, it has the advantage of noncoloring, nonpolluting and easy dispersion, it can be used in emulsion after emulsification. Package and storage:25kg paper bag in lined with plastic bag. It should be stored in a cool well-ventilated area.