AbstractA laboratory method for determining the effect of curing conditions on the tensile strength of tire cords has been developed which makes use of rubber‐cord pads cured in a mold. The tensile strengths of the cured cords embedded in rubber are measured after removal from the mold. The method is suitable for nylon cords, either bare or dipped. It has been determined that tensile strength losses during curing of nylon are caused by shrinkage of the cords in the presence of moistur
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