ALUMINUM OXIDE #220 5-Cups - VERY FINE GRIT - Sand Blast BLASTING MEDIA - by Tacoma Company
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There is no better aluminum oxide than that offered by Tacoma Company The product is manufactured by Great Lakes Minerals, Inc. A brown fusion alumina is approximately ten times harder than white fusion alumina It contains 3%), 1% magnesium carbonate, A commentary on the purity of this AO, for what it's worth, is in its MSDS There are no chemicals in this product that are known to cause cancer, birth defects, or any other type of reproductive harm in the State of California. I hope this was helpful!".
This appears to be a very pure substance.
Selected User Reviews For ALUMINUM OXIDE #220 5-Cups - VERY FINE GRIT - Sand Blast BLASTING MEDIA - by Tacoma Company
The air eraser from Harbor Freight is the perfect companion to this product. We were surprised to find out that HF does not offer replacement grit. There is a very fine grit to it. The glass etching and blasting machine is ideal for all glass etching and blasting jobs.
This product is simple to use and great. I use it to give my glass work a nice gloss.
It can also be used for small parts, for example.
The program works well.