scope:

This Standard specifies the size distribution of artificial abrasives (fused aluminium oxide and silicon carbide abrasives) specified in JIS R 6111, that are of microgrits from F230 to F2000, and #240 to #8000.

NOTE 1 This Standard is inapplicable to coated abrasives, and abrasive grains and abrasives used for loose grains.

NOTE 2 The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows.

ISO 8486-2: 2007 Bonded abrasives-Determination and designation of grain size distribution-Part 2: Microgrits F230 to F2000 (MOD)

In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/lEC Guide 21-1.