China National Standards

China Carbon black―Part 21:Determination GB Standards List


  •  China "Carbon black―Part 21:Determination" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 3780.21-2006 Carbon black―Part 21:Determination of sieve residue for rubber compounding ingredients―Water washing method
    炭黑 第21部分:橡胶配合剂筛余物的测定 水冲洗法
    China National Standards
    Carbon black―Part 21:Determination

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