Micro-crystallizing glass-ceramic composite board and producing method thereof
A technology of glass-ceramic and production method, which is applied in the field of building materials, can solve the problems of barium carbonate poisonous, rising cost of glass raw materials, etc., and achieve the effect of reducing the cost of raw materials
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[0021] Example 1
[0022] Prepare uniform batch materials according to composition 1 in Table 1, and melt them into a uniform glass melt at a temperature of 1350 to 1580°C. The glass melt is poured into water, water-quenched into broken slag, and slag particles with a particle size of 0.5 to 6.5 mm are coarsely screened for use. Lay the glass slag particles obtained by the above method on the ceramic tiles that have been fired at a high temperature, apply a fixing liquid to fix them, and then send them to the roller kiln at a rate of no more than 900°C / hour. After 900°C, the slag particles The surface of the material piled up by the slags begins to melt and sinks obviously, that is, the sintering is obviously started, and the temperature is raised to 1200℃ for a period of time for sufficient sintering, and then the temperature is lowered and annealed to cool to obtain the opalescent glass-ceramic composite plate .
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[0023] Example 2
[0024] Example 2 is carried out in accordance with the steps of Example 1, but the composition of the glass must be changed from composition 1 in Table 1 to composition 2, and 1% NiO must be added to obtain a brown glass-ceramic with an appearance similar to natural stone -Ceramic composite board.
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[0025] Example 3
[0026] Example 3 is carried out in accordance with the steps of Example 1, but the composition of the glass must be changed from composition 1 in Table 1 to composition 3, and 0.5% Co must be added. 2 O 3 , Can produce blue crystal glass-ceramic composite board with appearance similar to natural stone.
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