Glass ceramic, tempered glass and preparation method and application thereof
A technology of glass-ceramics and strengthened glass, which is applied in the field of glass products and can solve problems such as poor transmittance of visible light
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[0085] see figure 1 , another embodiment of the present invention also provides the above-mentioned preparation method of glass-ceramic, including the following steps S110-S130.
[0086] Step S110: melting the raw materials into clear glass liquid.
[0087] In some of the embodiments, in step S110, the melting temperature is 1400°C-1600°C. The melting time is 6h to 8h.
[0088] Step S120 : forming the clear glass liquid to prepare a precursor glass.
[0089] In some of the embodiments, in step S120, the forming process is selected from one of a float forming process, an overflow down-draw method, a pull-up method, a flat-draw method, and a calendering method.
[0090] Step S130: The precursor glass is sequentially subjected to nucleation and crystallization treatment to prepare glass-ceramics.
[0091] In some embodiments, in step S130, the temperature of the nucleation treatment is 500°C to 640°C; the time of the nucleation treatment is 6h to 24h.
[0092] In some embodi...
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