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对精制制碱盐泥填料替代或部分替代轻质碳酸钙在NR胶料中的应用进行了研究。结果表明 ,在NR胶料中用精制制碱盐泥填料替代或部分替代轻质碳酸钙 ,胶料的t90 缩短 ,硫化胶的扯断伸长率和拉伸强度提高 ,扯断永久变形和邵尔A型硬度变化不大
The use of refined alkaline salt filler instead of or partially replacing the light calcium carbonate in NR compound was studied. The results showed that the use of refined alkaline salt filler in NR instead of or in part of the replacement of light calcium carbonate, rubber material t90 shortening, vulcanizates elongation at break and tensile strength, permanent deformation and breaking Shao A type hardness changes little