1.Strengthen rubber's tensile strength,hardness,rigidity 2.Improve ... for natural rubber and all kinds of synthesis adhesives(such as butyl rubber,butylbenzene tyre ,butyronitrile tyre,chloroprene rubber,EPDM rubber,polybutadience rubber,etc ... plasticizing function before vulcanization,and after vulcanization effectively strengthen rubber 's tensile strength,hardness,rigidity,improve aging resistance, ...