How to FLATTEN a vintage SHARPENING STONE using Silicon Carbide Powder.
We have cleaned this stone in Simple Green - please check how to from our previous video and we can now see that the stone needs FLATTENING as it is cupped & we need it flat.
Flattening the stone is easy - we use a piece of 8mm float glass & 80 grit silicon CARBIDE POWDER with some water as required to lubricate the stone when flattening. We rub the stone back and forth until it is totally flat. I prefer having an old towel or cloth between the glass and workbench to cushion it slightly.
There you go, this is how easy it should be!
We have bottles of 80g silicon carbide powder on our website for $10.
Vintage sharpening stones & carbide powder available at www.VintageToolShop.com.au & in Vintage atool shop at 47 Gadd st, Northcote, VIC, Australia.
