Aluminum Oxide, Abrasive, 5 Mesh, Super Coarse, FreeShip.
$6.68
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This and silicon carbide are the two main abrasives used world wide. Aluminum oxide is the less expensive of the two. It can be used as a filler in resins, or for special effects in paints. Also known as corundum, it's interesting that this is the same material in the precious gemstones rubies and sapphires. This is a super coarse, large mesh size. It can be used in a sand blaster where it acts as a very aggressive cleaner. The particles are sharp and blocky. It's also a nice dark brown color with some color overtones both lighter and darker. It might make an interesting aggregate to try in high performance concrete. It is also a refractory material....(see more)
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