![]() Grit on the FEPA scale is indicated by the letter P before the number. In the UK, sandpaper grit is graded by the Federation of European Producers of Abrasives (FEPA). CAMI is headquartered at 1230 Keith Building, Cleveland, Ohio 44115. The Sandpaper grit chart is a numerical system that measures the coarseness of sandpaper. This includes Hermes and SIA who also belongs to FEPA. ![]() All manufacturers of coated abrasives in the USA are members of CAMI. CAMI stands for "Coated Abrasives Manufacturers Institute". Standard Sandpaper & Whetstone Grit Sizes Range of Belts Correspond Chart. "CAMI" is the North American counter part of FEPA. Surface finish sandpaper grit chart Upmold collected these data for your reference for plastic injection mold quality of surface polishing, how to control or inspect the polishing quality of molds, also you can download it. Fine grit, 180-220, is perfect for final smoothing and finishing touches. Medium grit, around 120-150, is ideal for smoothing and prepping the wood. Coarse grit sandpaper, such as 60 or 80 grit, is suitable for removing rough spots or old finishes. So let’s say we have a sandpaper with a grit size of 30, then that means 30 particles would fit through the filter. FEPA means Federation Europeeenne des Fabricants de Produits Abrasifs or Association of European Manufacturers of Abrasives. For wood, you may need to use different grits of sandpaper. If you note the letter "P" which precedes the grit number on all VSM products except Zirconium, this denotes that those products are fabricated to the "P-grade"or "FEPA" standards.įEPA offices are in Europe at 39 rue St. Sandpaper grit ranges can be divided into two types: micro and macro grit sandpapers. This is the standard commercial polish for sapphire, although I recommend going another step to 50,000. 50,000 grit is more common and used for polishing sapphire and other hard materials. Mainly for contest cutting or hobby cutters. "P-Grade" is an abbreviation of "FEPA" which is the European industry groups that sets the grading standards for grain, backing and all aspects of abrasives. Very fine and not used often commercially. ![]() It has been pointed out to us that we cannot assume that all of you know what these terms mean. Lower grit numbers represent coarser abrasives that scrape off materials much quicker. The higher grit number is equivalent to a finer abrasive, which creates smoother surface finishes. Garnet sandpaper is used for polishing and fine sanding of multiple materials and wears quickly. The grit of sandpapers is a rating of the size of abrasive materials on the sandpaper. In and among our communications/correspondence/bulletins, we refer to "P-Grade", "CAMI", "FEPA". Our Recommendation: 3M Garnet Sandpaper at Amazon for 6.49.
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