Abstract
Natural rubber from local zone in Colombia (San Juan) was compounded with three different commercial carbon black (N330, N550 and N660) at 25 and 50 phr. In order to evaluate the performance of new natural rubber compounds obtained from Colombia, a benchmarking was done with other natural rubber compounds from Central America (Guatemala). For this purpose, tensile strength, module at 100 and 300%, vulcanization rheometer curves, hardness and dispersion analysis were done for both natural rubber compounds. It was found that the new natural rubber compound from Colombia has similar properties and behaviour compared to Guatemala natural rubber (TSR). The Colombia natural rubber obtained is a new standard mix with high potential applications in the rubber industry in Colombia and other countries of region of South America.
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