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It's quite difficult for Japanese potteries to produce its good taste without using natural ash in the raw material, and it's still useful. This glaze for glost firing is used refined natural ash. The indication of firing temperature is a standard in propane and keroeine kiln. When using an electric kiln with a programmed automatic firing equipment, about 10℃ to 20℃ of low setting is the standard. This item label shows the standard of water amount per 1kg, the standard of firing temperature and the suitable conditions for firing temperature ( oxidation, reduction).
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