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对水胎包皮胶配方进行了调整。使用炭黑N2 2 0 ,提高了胶料的强伸性能和抗撕裂性能 ;使用沥青代替凡士林提高了水胎包皮胶粘性 ,改善了CIIR包皮胶与胎身主体材料NR的共硫化性 ,小规格水胎使用后脱层现象明显减少。包皮胶混炼采用二段工艺 ,改善了胶料粘性 ,提高了胶料的塑性 ,成品水胎外观合格率明显提高。
The water bag foreskin formula has been adjusted. The use of carbon black N2 2 0 improves the tensile properties and tear resistance of the rubber compound. The use of asphalt instead of petroleum jelly improves the water-binding adhesiveness of the water-bearing rubber and improves the co-vulcanization of the CIIR rubber and the rubber NR, The delamination phenomenon of the small specification water tire is obviously reduced after use. The foreskin rubber mixing adopts the second-stage process to improve the viscosity of the rubber compound and improve the plasticity of the rubber compound. The qualified rate of the finished water-tire appearance is obviously improved.