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Sharpening Comparison

Crystolon (Silicon Carbide)	India (Aluminium Oxide)	Arkansas (Washita, Soft, Hard) White, Black, Translucent	Diamond Stones	Waterstones	Coated Abrasives (Waterproof Sandpaper)	Coated Abrasives (Waterproof Sandpaper)	Diamond Compound
				JIS (Japan)	CAMI (USA)	FEPA (Europe)	Micron Size
						P100	141
Coarse Crystolon						P120	127
					120		116
	Coarse India					P150	97
					150		93
Medium Crystolon					180	P180	78
						P220	65
			Extra Coarse Diamond (220)	Norton 220	220		60
						P240	58
	Medium India				240		53.5
						P280	52.5
							50
						P320	46
Fine Crystolon							45
			Coarse Diamond (325)		280		43
						P360	40.5
				360	320		36
	Fine India	Washita				P400	35
					360		29
						P600	25.8
					400		23
	Extra Fine India	Soft Arkansas	Fine Diamond (600)	600		P800	22
							20
				800	600	P1200	16
				Norton 1000	700		14
					800	P1500	12.6
		Hard White Arkansas	Extra Fine Diamond (1200)	1200			11
						P2000	10.3
				1500	1000		9.2
							9
					1500	P2500	8.4
				Norton 2000			7.5
		Hard Black Arkansas Hard Translucent Arkansas		Norton 4000	2000		6
							5
				Norton 8000			3
							1.2
							1
				15000			0.5
Crystolon (Silicon Carbide)	India (Aluminium Oxide)	Arkansas (Washita, Soft, Hard) White, Black, Translucent	Diamond Stones	Waterstones	Coated Abrasives (Waterproof Sandpaper)	Coated Abrasives (Waterproof Sandpaper)	Diamond Compound
				JIS (Japan)	CAMI (USA)	FEPA (Europe)	Micron Size

Relative Sharpening Comparisons for Norton Abrasive Products

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