Building Precured Rubber

   Building room has to be clean to guarantee good cure for cushion gum and precured tread base. That we paint crown area and precured tread base with “cement “which assist for cohesion before load into electric chamber. as for tire crown area after cement dry, worker use extruder gun to fill up all scavenge area with rub rubber to give balance for tread area , then worker put cushion gum on all tire tread , final he build tread rubber on tire from shoulder to shoulder.

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