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Maybe the silicon carbide is also the reason for scummy edges on pieces of glass that have been ground on a belt sander. Since devit needs a catalyst point to start the traces of carbon left behind might be enough to do it.

You can end up with more orders than you can handle if you are not careful. You will sell lots but then become a manufacturer instead of an artist. I used to sell to over 300 shops etc. across N. America and was the hamster running on the wheel in his cage 24 hours a day trying to get ahead. I final...

I would be careful building my own gas kiln. You need backup systems in place in the event of power failures etc. I was once told that one of the products of combustion of natural gas was water vapour which if the conditions inside a kiln are right, can explode the kiln. Although electricity is &quo...

Be sure to check out my suggestions regarding maintenance on a Bee Metal sander in previous posts on the old board. The same will apply to a tile saw. Kevin

A note on Zirconium. It carries naturally occurring radioactive elements of the uranium and thorium series. Radiological hazard by inhalation of dust. Although low radiation level, consult MSDS!. If the above quote from Hugo is factual, I wouldn't have the stuff in my studio. There is no way that du...

Lowering the mold would allow more air circulation around the top of the mold and into the center. You would not have to worry about the height of the mold if you had heating on the top of the kiln. Want a cheap Canadian made controller? I can put you in touch with someone who buys perfect fires 10 ...

I think because of all the variables when working with bottles, the slower ramping you suggest is important. In the lampshade you made, there are some folds which indicate even thicker glass. Because your mold was higher in the kiln you were closer to the elements and there was less distance to even...