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Ceramic Coffee cup mug How Andrew prevent dry glaze

Ceramic Mug    From:Xinxiang Ceramic Mug Manufacturers     2016-3-10
Ceramic Coffee mugs cup

This defect is mainly produced in the products after biscuit firing line after secondary glazing firing.

(1) Reason:
As the body is too dry, it is strongly absorbed glazes, will produce dry glaze.
By examining the body section, to ascertain whether the blank is too dry.
As before glazing body has too dense, you can not suck enough glaze, the glaze after firing will be dry.
glaze firing too much, so some fusible volatile components, can also cause dry glaze.

blanks between glaze and chemical properties (acidity coefficient) match misconduct, intense action, the enamel is prone to the phenomenon of absorption blank (dry glaze).

(2) measures to overcome

body does not dry too much.

lower temperature unglazed so plain burnt body to be glazed with a certain water absorption.

adjust blanks, glaze acidity factor.
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