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子午线轮胎气密层的主要作用是提高轮胎的气密性,是轮胎中重要的部件之一,对于延长轮胎使用寿命,起着很重要的作用。目前,大多数轮胎企业都采用溴化丁基胶(BIIR)或氯化丁基胶(CIIR)生产子午胎气密层,因两种材料需要进口,价格昂贵,导致气密层胶成本较高,很多厂家在配方中使用丁基再生胶和碳酸钙,降低含胶率等措施来降低成本,但胶料性能均不够理想;而轻质炭黑AB770的研制成功,恰好能很大程度上解决这一现状,AB770为美国新技术转化成果,可有效降低体积成本,是一种干燥精细的粉末,其主要化学
The main role of radial tire inner liner is to improve tire air tightness, is one of the important components in the tire, to extend the service life of the tire, plays a very important role. At present, most tire companies use radial blown butyl rubber (BIIR) or chlorinated butyl rubber (CIIR) to produce radial tire innerliners because both materials need to be imported and expensive, leading to higher cost of the innerliners , Many manufacturers use butyl reclaimed rubber and calcium carbonate in the formula to reduce the rate of containing gum and other measures to reduce costs, but the rubber properties are not ideal; and the successful development of light carbon black AB770, just to a large extent possible to solve In this situation, AB770 is the result of the transformation of new technology in the United States, which can effectively reduce the volume cost. It is a dry and fine powder whose main chemical