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Black Aluminum Oxide

Black Fused Alumina/Black Fused Aluminum Oxide, Black Aluminium oxide, Black Corundum.
Supplied by Dragon Abrasives, with high toughness and endurability, BA is extremely suitable for polishing stainless steel and non-ferrous metals. Its grinding efficiency is much higher than that of brown fused alumina and the finishing effect is much better than many other abrasive materials.

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Product Description

Chemical Composition (% by weight)
Range of Grits	Chemical Composition
Range of Grits	Al2O3	SiO2	Fe2O3	TiO2
24#-100#	77.00Min	11.0Min	5.0Min	1.5-3.5
120#-200#	75-81	9-12	4-6	2-3
240#-280#	64.0Min	10.0Min	7.0Min	1.5-3.0
Available grain sizes
Grit No.	Micron	Grit No.	Micron	Grit No.	Micron
10	2360 ~ 2000	30	710 ~ 600	80	212 ~ 180
12	2000 ~ 1700	36	600 ~ 500	90	180 ~ 150
14	1700 ~ 1400	40	500 ~ 425	100	150 ~ 125
16	1400 ~ 1180	46	425 ~ 355	120	125 ~ 106
20	1180 ~ 1000	54	355 ~ 300	150	106 ~ 75
22	1000 ~ 850	60	300 ~ 250	180	90 ~ 63
24	850 ~ 710	70	250 ~ 212	220	75 ~ 53

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