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Normal grinding wheels are made from abrasive grit bonded together in a vitrified medium, so they're like a ceramic. This makes them hard and durable, but very brittle, and even the smallest defect can lead to catastrophic breakage which of course takes place at high rotational speeds, throwing the pieces off at very high velocities1. One of the functions of ...


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These washitas don't absorb oil deeply like synthetic stones. Just using the stone with a light oil should be fine unless the surface is oxidized (gummy). Any number of things to clean the surface would be fine (cleaners, solvents, soaks), but I'd go easy on the stone unless there's a performance reason to. If you're dreaming of a bright white stone, that's ...


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I tried cleaning the top of the stone several times with Dawn dish liquid, but after a few hours more oil oozes to the surface One slow but simple option is to pack it in sawdust for a while. The sawdust should absorb any surface oil and draw out more. Check it periodically and change the sawdust as needed. Parking it in a warm place might help speed up the ...


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It's a No. 1 Washita. The original color will be coral/light yellow and butterscotch mottling. You could just use as is. Use a citrus solvent as a honing fluid. It will cut the oil that is in it and hopefully more and more will come out in use. Simple Green or Bio-Green Clean also work well, they emulsify the oil and give a nice honing juice. That stone will ...


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