This standard specifies the classification, requirements, test methods, inspection rules and marking, packaging, storage and transportation requirements of sand leaf trays. This standard applies to disc-shaped coated abrasives made by using a binder to bond abrasive sheets divided into certain shapes to a substrate of metal, non-metal and other materials as grinding material.
GB/T 2493 Grinding tool rotational strength test method*, 2023-11-27 Update
GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection