A ceramic rock plate with deep concave-convex texture and its preparation method
A concave-convex texture, ceramic technology, applied in the field of ceramic slate and its preparation, can solve the problems of being easily scratched by knife marks, warped brick edges, poor wear resistance and anti-skid performance, etc., to avoid warping and cracking, prevent The effect of surface cracking and improving the wear resistance of the finished product
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[0033] A method for preparing a ceramic rock plate with deep concave-convex texture, comprising the following steps:
[0034] A. After the billet is pressed into a green body by roll forming, it is dried once;
[0035] B. Print mold ink on the surface of the green body in step A according to the preset pattern, and the inkjet volume of the mold ink is 15-45g / m 2 ;
[0036] C. Spraying a digital glaze on the surface of the green body in step B, the aluminum content of the digital glaze is 18.5-21%, the ratio range of the silicon-aluminum ratio of the digital glaze is 2.6-3, and the digital surface The expansion coefficient of glaze is (1.85~1.95)×10 -6 / °C;
[0037] D. Carrying out secondary drying to the green body of step C, the drying temperature of the secondary drying is 110-120° C., and the drying time of the secondary drying is 2-4 minutes;
[0038] E. Print color ink and engraving ink on the surface of the green body in step D according to the preset pattern;
[0039...
Embodiment 1
[0073] Example 1 - A preparation method of a ceramic rock plate with deep concave-convex texture
[0074] A. The billet is pressed into a green body by roll forming and then subjected to primary drying at a drying temperature of 160°C, wherein, according to the parts by mass, the billet includes the following raw materials: 14 parts of ultra-white potassium sand, 4 parts of raw talc, and 10 parts of kaolin , 20 parts of high white potassium sodium sand, 2 parts of calcined aluminum powder, 20 parts of ball clay, 4 parts of terrazzo sodium sand, 2 parts of super white wollastonite, 0.5 part of curing enhancer and 0.5 part of sodium tripolyphosphate;
[0075] B. Print mold ink on the surface of the green body in step A according to the preset pattern, and the inkjet volume of the mold ink is 15g / m 2 ;
[0076] C. Spray digital glaze on the surface of the body in step B. The aluminum content of the digital glaze is 18.5%, the ratio of silicon to aluminum is 2.6, and the expansio...
Embodiment 2
[0082] Example 2 - A preparation method of a ceramic rock plate with deep concave-convex texture
[0083] A. The billet is pressed into a green body by roll forming and then subjected to primary drying at a drying temperature of 160°C, wherein, according to the parts by mass, the billet includes the following raw materials: 14 parts of ultra-white potassium sand, 4 parts of raw talc, and 10 parts of kaolin , 20 parts of high white potassium sodium sand, 2 parts of calcined aluminum powder, 20 parts of ball clay, 4 parts of terrazzo sodium sand, 2 parts of super white wollastonite, 0.5 part of curing enhancer and 0.5 part of sodium tripolyphosphate;
[0084] B. Print mold ink on the surface of the green body in step A according to the preset pattern, and the inkjet volume of the mold ink is 30g / m 2 ;
[0085] C. Spray digital glaze on the surface of the body in step B. The aluminum content of the digital glaze is 21%, the ratio of silicon to aluminum is 3, and the expansion co...
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