This standard specifies test apparatus, test conditions, test methods, result evaluation, grain size designation and grading limits for checking the grain size of superabrasive without any plating.
This standard is applicable to checking the grain size of 16/18~500/600 artificial diamond or cubic boron nitride.
2 Normative References
The following documents for the application of this document are essential. Any dated reference, just dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document.