One of the major causes of premature failure for off-the-road tires is the penetration of a cut so deep in either the tread or sidewall that it reaches the air chamber and flattens the tire. Predispersed fibers have long been used to improve the performance properties of industrial products such as power transmission belts. Now testing shows that predispersed fibers significantly can improve the cut and chip resistance of off-the-road and other tires that operate in harsh environments This paper will present data on both cellulose and aramid predispersed fibers showing their advantages when added to OTR tread or sidewall compounds.
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