This standard specifies the test method for the fineness of graphite products. This standard is applicable to the fineness test of 38μm~500μm flake graphite and microcrystalline graphite products.
GB/T 3520-2008 Referenced Document
GB/T 6003.1 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth*, 2022-10-12 Update