China National Standards

China Direct black L GB Standards List


  •  China "Direct black L" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 3780.17-2017 Carbon black—Part 17: Indirect determination of particle size—Reflectance method
    炭黑 第17部分:粒径的间接测定 反射率法
    China National Standards
    Direct black L

    English PDF
    GB/T 9336-2010 Direct black L-3BG(C.I. Direct black 19)
    直接黑L-3BG(C.I.直接黑19)
    China National Standards
    Direct black L

    English PDF
    GB/T 3780.17-2008 Carbon black - Part 17:Indirect determination of particle size - Reflectance method
    炭黑 第17部分:粒径的间接测定 反射率法
    China National Standards
    Direct black L

    English PDF

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