This standard specifies the classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of sandpaper. This standard applies to coated abrasives made of artificial abrasives or natural abrasives bonded to the paper base surface using animal glue, synthetic resin, etc. as a binder.
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)*, 2013-02-15 Update
GB/T 9258.1 Coated abrasives-Grain size analysis-Part 1: Grain size distribution test
GB/T 9258.2 Coated abrasives.Grain size analysis.Part 2:Determination of grain size distribution of macrogrits P12 to P220*, 2008-06-03 Update
GB/T 9258.3 Coated abrasives.Grain size analysis.Part 3:Determination of grain size distribution of microgrits P240 to P2 500*, 2017-12-29 Update
JB/T 7424 Coated abrasives.Determination of tensile strength and extensibility*, 2007-05-29 Update