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Five Tips for Successful Stacking in a Salt (or Soda or Wood) Kiln
Posted By Michael Kline On September 23, 2009 @ 7:51 am In Daily,Features,Salt Firing | 2 Comments
Long a process of industry, salt firing has also been embraced by ceramic artists and potters because of the beautiful and unpredictable results that can come from a salt-fired kiln. In this process, salt (sodium chloride) is introduced into the kiln firebox or burner ports at high temperature. The salt vaporizes and is carried on the flame to the ware.Then the sodium vapor combines with the silica in the clay surface and forms an extremely hard sodium-silicate glaze. As with any vapor firing process, pots need to be stacked in the kiln with wadding so that the salt glaze doesn’t adhere them to each other or the kiln shelf. Potters come up with all kinds of ways to make the wadding process as smooth and streamlined as possible (see Way Easy Wadding in the Ceramic Arts Daily Archives for another great wadding idea).
Today, salt and wood firing potter Michael Kline takes us through his wadding process sharing his tips for successful stacking in the kiln. He also explains how he adds sea shells into the mix for a nice flashing effect. – Jennifer Harnetty, editor.
Here is a series of pictures showing how my plates are wadded and fired. This technique was developed by my buddy Will Baker way back when.
Learn more about salt and soda firing from Gail Nichols, one of the world’s leading experts.
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