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针对无石棉密封材料的国产化要求 ,分析并研究了无石棉密封材料的基本组成 ,对无石棉密封材料的配方进行了正交设计 ,获得了具有较好综合性能和推广应用价值的压缩无石棉密封板材.“,”In this paper, the constituent of compressed non-asbestos fiber reinforced rubber sheet was discussed in detail. The optimum formulation of the materials was screened by the orthogonal design enthod. The results showed that the new material had better performances and could be applied to substitute asbestos rubber sheet in the certain range.