Ceramic tile with bulged particle effect and preparation method of ceramic tile
A particle and ceramic tile technology, applied in the field of ceramic tile manufacturing, can solve the problems of poor dry particle bulging effect, uneven cloth, melting glaze, etc., and achieve rich colors and patterns, good uniformity, and large wetting angle. Effect
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[0028] Preparation of the blank: The conventional ceramic tile blanks can be used in the present invention, and the blanks can also be formed by commonly used compression molding. The sintering shrinkage rate of the green body used can be 8.8~9.2, and the firing temperature of the green body can be 1135~1145℃;
[0029] Apply the surface glaze of the above formula on the green body, the thickness of the surface glaze can be 0.1~0.2mm, and the sintering temperature of the surface glaze is above 1120℃;
[0030] Apply the dry-grain glaze slurry of the above formula on the body with the surface glaze applied by a linear shower, the specific gravity of the dry-grain glaze slurry is 1.27-1.38, and the flow rate is controlled between 30-40 seconds;
[0031] Firing: The green body applied with dry granular glaze slurry is fired according to the following firing procedure to obtain tiles with raised granular effects.
[0032] The firing procedure can be: the highest firing temperature is 1135 t...
Example Embodiment
[0039] Example 1
[0040] 1) Apply surface glaze on the body, the thickness of the surface glaze can be 0.1 ~ 0.2mm, the main composition of the applied surface glaze is as described in Table 1:
[0041] Table 1
[0042] SiO 2
[0043] The sintering temperature of the surface glaze is 1120℃;
[0044] 2) Preparation of dry particles: frit at high temperature (50-55% SiO 2 , 20~24% Al 2 O 3 , 0.2~0.5% Fe 2 O 3 , 0.5~1.2%CaO, 0.4~0.7%MgO, 2.0~2.8%K 2 O, 2.9~3.8%Na 2 O) Crush and sieve, and crush to 150~200 mesh;
[0045] 3) Preparation of dry glaze slurry: prepare dry glaze slurry in the following weight ratio:
[0046] The above dry particles: 30 parts
[0047] Printing ink with a flow rate of 24 to 30 seconds: 100 copies
[0048] Fixative: 3 parts;
[0049] The specific gravity of the configured dry glaze slurry is 1.32;
[0050] 4) Pour dry granules: apply the above-mentioned dry granular glaze slurry to the body with the glaze applied by using a linear glaze shower, and control the flow ...
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