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Firing Overglazes
Instructional/Tutorial

Overglazes are fired at the coolest temperatures – ranging from 015-022. If you are adding multiple overglazes, you will fire the hotter ones first.

DO NOT fire gold and mother of pearl at the same time. These two overglazes create gases that are not compatible. If you want both on your piece, fire one first and then the other. DO NOT put gold or decals or mother of pearl on the bottoms of your items Overglazed items do not need to be stilted. Make sure kiln is cooled completely before opening. The more often you fire an item, the greater risk that the item will suffer thermal shock, so the more care should be given to the cooling process in order to lower the risk. Do not plug peepholes during overglaze firings. Make sure the firing room or kiln is well ventilated. It is inadvisable to be in the room during the firing process.

Related Steps:

How to Set Your Cone


Steps to Firing a Kiln (basic process)
Firing Greenware (NOT PORCELAIN OR STONEWARE)
Loading your kiln
Firing Glazes

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