Use: May be added to fillers, e,g. Carbon black, tale, mica, clay, aerosil, coal flyash, glass fiber, etc, Suitable for vulcanized rubbers such as butadiene, butadiene-acrylonitrile, butyl, butadiene, natural, chloroprene, isoprene, EPDM rubbers etc, the rubbers can be improved for their crosslinking stabilization, various mechanical strengths, lowered permanent deformatim of the articles, over-heating resistance, swelling resistance in water, and better mobile properties, widely used for the marufacture of the surface, body and wall of the meridian and other tyres, solid tyres, rubber roller surface, cowry belt surface, and rubber products such as adhesives for steel wire brush, cable insulating and covering layers, shoes, etc.