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Why does enamel go out?

Release time:

2022-08-22

The shape of the line pattern can be divided into black line pattern (underglaze exposed), white line pattern (without underglaze), chrysanthemum pattern, spiral pattern and flower shadow pattern. First, find out what kind of thread you have.

The specific reasons can be divided into the following aspects:

The enamel glaze slurry is too finely ground, and there are too many soluble salts;

The strength of the powder layer is small and the powder layer is too thick;

Wet powder blanks are dried too quickly and fired too quickly;

The dry powder blank is bruised, pinched, and the printing force is too large (chrysanthemum printing);

The semi-finished product is crushed, bruised or pryed;

Improper matching of welding material and blank body (spiral pattern) can be prevented by using a steel plate for spot welding products that is one thickness thinner than the blank body and a steel plate for butt welding products that is one thickness thicker than the blank body;

The decorative glaze is not soft enough or overlaps too much (pattern pattern, light pattern).

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