The weight ratio of polynorbornene rubber and butadiene acrylonitrile rubber is 85-75/15-25, preferring to 80/20.
聚降冰片烯与丁腈掺合共混比,重量计为:85~75/15~25,优选80/20。
The weight ratio of polynorbornene rubber and butadiene acrylonitrile rubber is 85-75/15-25, preferring to 80/20.
聚降冰片烯与丁腈掺合共混比,重量计为:85~75/15~25,优选80/20。
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