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Restore sharpening stones to their original flatness and keep them in prime condition
Purpose
Through use, your Sharpening Stones will show signs of wear. They may lose their flatness after a time. The Silicon carbide Hapstone leveling is used to restore your stones to their original flatness, keeping them in prime condition.
Options
You can choose the fraction that matches your stone and application, and also select a mirror as an additional option.
Use
Sprinkle the silicon carbide on glass or a mirror, add a little water, and rub the stone against the abrasive grit to level the surface again.
Guidance
The SiC powder should always be coarser than a sharpening stone.
How to use
Take a slate pencil and put crosshatch pattern to the surface of the stone. Never skip this step. Your goal is to get rid of crosshatch completely. If you notice left-over of pattern somewhere, it means geometry is not flat yet.
Always add water to make a suspension, not dry SiC. Try to use glass area evenly. Your glass will wear over time because SiC affects glass too.
For hard stones, coarse SiC will be the major time consumer. When SiC disintegrates, put another pinch (refresh). If there is too much suspension, clean your glass. Use a straight edge or metal ruler to check flatness. If you are not sure, make crosshatch pattern again.
The abrasive hygiene should be a priority. Don't let single coarse particle to remain in fine lapping.
F80
Flattening of very coarse stones (60 - 150 grit)
F120
Flattening of any stones (180 grit and above)
F280
Lapping of medium waterstones (400 - 1000 grit)
F500
Lapping of fine waterstones (2000 grit and above), natural stones, alumina ceramic
F1000
Lapping and honing of ultra-fine natural stones and sintered alumina ceramic
Specifications
Warning! Respirator required to work with F1000 silicon carbide powder. Inhalation can cause illness.
