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Graining specification

Due to inconsistencies in the grained panels that we buy, I need to quantify our graining requirements. Is there a de facto industry standard for "fine", "medium", "course" etc.? Do these callouts equate to something measurable and defined, like AA or Ra? What is the proper method for calling out graining?

James King
semiconductor grinding & polishing equipment - San Luis Obispo, California
2003

I am not aware of a universal standard;
however, to my knowledge most surface finishes are specified by RMS/Rq.

Grain patterns are normally specified by the abrasive belt grit to be used such as 60,80, 120 etc.

AF Kenton
retired business owner - Hatboro, Pennsylvania
2003

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