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Misoperations of Glaze Bubbles in the Glaze Layer of Ceramic Water Cup Products | Win-Win

December 30, 2022

First, affected by appearance performance

 

1. The air permeability of the glaze layer after drying is poor, and the gas in the pores of the green body is not easy to discharge, and at high temperature, the gas in the green body passes through the glaze surface to generate bubbles

 

2. When glazing, a part of the gas is sealed in the glaze layer, and air bubbles will also be generated, or some additives are added to the glaze to introduce air bubbles

 

3. The thickness of the glaze layer increases, and the bubbles increase

 

4. During rapid firing, the gas in the blank glaze has no time to discharge, and is sealed by the fired and hardened glaze layer to form air bubbles

 

Second, bubbles formed due to process factors

 

5. The air permeability of the glaze layer after drying is poor, and the gas in the pores of the green body is not easy to discharge, and at high temperature, the gas in the green body passes through the glaze surface to generate bubbles

 

6. When glazing, a part of the gas is sealed in the glaze layer, and air bubbles will also be generated, or some additives are added to the glaze to introduce air bubbles

 

7. The thickness of the glaze layer increases, and the bubbles increase

 

8. During rapid firing, the gas in the blank glaze has no time to discharge, and is sealed by the fired and hardened glaze layer to form air bubbles


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