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The Makers of fine handcrafted Pottery, Glass and Raku The Raku pottery process is exciting and spontaneous. After the pottery has been bisque fired, it is glazed and raku fired to a temperature of around 2000 F in a propane-fired raku kiln. It takes about a 30 minutes to reach temperature. The pottery is removed from the raku kiln with specially designed raku tongs and asbestos gloves, while it is still glowing red, and placed in a metal can filled with combustible materials. The heat from the pottery ignites the material and the can is immediately sealed. The fire quickly uses all the oxygen in the can. This is called "post fire reduction" Reduction is what causes the wonderfully unique, unpredictable and spontaneous patterns of color and metallic lustres.
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