The compound formulation for calendered belt of steel-belted radial tire was investigated.The results showed that,by applying carbon black N326 and N660 as well as increasing the amount of carbon black to modify the compound formulation for extruded belt,the Mooney scorch time of compound extended,the Mooney viscosity and H pull-out force after aging increased,other physical properties changed little,and the compound met the calendering process requirements to produce steel cord belt;the high speed performa...

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