Explanatory notes
… materials, in rolls or cut to shape (sheets, bands, strips, discs, segments, etc.), or in threads or cords, on to which … abrasives have been coated, usually by means of glue or plastics. The heading also covers similar products of … pumice, flint, quartz, sand and glass powder. The bands, discs, etc., may be sewn, stapled, glued or otherwise made …