scope:

This Standard specifies the size distribution of artificial abrasives (alumina abrasives and silicon carbide abrasives) specified in JIS R 6111 that are of macrogrits from F4 to F220.

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 8486-1: 1996 Bonded abrasives-Determination and designation of grain size distribution-Part 1: Macrogrits F4 to F220 (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/IEC Guide 21-1.