This standard specifies the technical requirements, test methods, inspection rules and packaging of black corundum abrasives. This standard applies to black corundum abrasives used in the manufacture of grinding tools and abrasive materials.
JB/T 3629-2012 Referenced Document
GB/T 2481.1-1998 Bonded abrasives--Determination and designation of grain size distribution--Part 1: Macrogrits F4 to F220
GB/T 2481.2-2009 Bonded abrasives-Determination and designation of grain size distribution-Part2:Microgrits