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Application of rubber antioxidant in cable industry

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Common high-temperature cables will be wrapped in a layer of “rubber protective layer”, when such a protective layer is damaged, the internal high-temperature cable will be damaged, which can not continue to use, so the manufacturer will be on the external rubber protective layer to do anti-aging Treatment, this process involves the antioxidant. First, because of the different characteristics of each antioxidant, and different formulations of the aging properties of different formulations. Thus, the most effective antioxidant for a particular rubber may be ineffective or even detrimental to another. Therefore, the choice of anti-aging agent must be in accordance with the aging properties of various rubber, anti-aging requirements and the characteristics of a variety of antioxidant overall consideration, a reasonable choice. Second,when rubber antioxidant is difficult to meet the requirements, should be used with two or more antioxidant and use, to produce a coordinating role to ensure that anti-aging effect. Third, some anti-aging agent on the rubber coloring and pollution. In general, phenolic antioxidant protection is poor, but not pollution or pollution is very small. While the protective role of the higher amine antioxidant, will make the rubber pollution, discoloration serious. These contradictions in the selection should be considered. Fourth, the amount of antioxidant can not exceed the solubility in rubber to prevent spray frost, rubber surface quality of pollution Fifth, amine antioxidant on rubber scorch have adverse effects; phenolic antioxidant can delay the curing, in the selection should be noted. As an important protective measure of high-temperature cable, we need to pay attention to it. With a solid shield can ensure the service life of high-temperature cable to resist the erosion of a variety of hazards. (source:http://www.nurchem.com/application-of-rubber-antioxidant-in-cable-industry/)

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