China National Standards

China hardener GB Standards List


  •  China "hardener" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 27677-2017 Aluminium hardeners
    铝中间合金
    China National Standards
    hardener

    English PDF
    GB/T 27677-2011 Aluminium hardeners
    铝中间合金
    China National Standards
    hardener

    English PDF
    GB/T 21872-2008 Sulphonic acid hardener for foundry no-bake furan resin
    铸造自硬呋喃树脂用磺酸固化剂
    China National Standards
    hardener

    English PDF

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