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Products glazed occur crack or moire phenomenon ceramic mug

Ceramic Mug    From:Xinxiang Ceramic Mug Manufacturers     2016-3-10
"Despicable Me" ceramic mugs sublimation cups

Products glazed occur crack or moire phenomenon is called fried glaze or glaze called scared.

(1) Reason:

The Lord is the volume change occurred due to the conversion of quartz type. Kiln door open prematurely, kiln temperature cooling too quickly; the other when the kiln temperature at around 600, comes into quartz quartz, while the glaze layer curing stress also will be born at this time if the temperature suddenly down or burning mouth closed lax, there is cold air intrusion, or under the grate prematurely, kiln door, opened the big eye in the sky, etc., products will burst occurred. In addition, too thick glazing are likely to cause such problems.

(2) measures to overcome:
grate, the door can not be opened prematurely.
appropriate facilities thinner glaze

After down draft kiln flame temperature can take rapid cooling below 900 slow cooling method.
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