SU1310352A1 - Glaze - Google Patents

Abstract

The invention relates to ceramic industry and can be used in ceramic enterprises engaged in the production of building ceramics. In order to increase whiteness, reduce the temperature of frit boiling and roasting, extend the roasting interval while maintaining heat resistance and luster, the glaze contains, wt%: SiOj 42-46, AljOj 4-5.6, 20.5-26.5, CaO 3 , 5-5.9, MgO 0.3-0.7, 3.5-4.5, KjO 1.5-2.5, Your 1.9-2.9, Zr02 6-8, ZnO 5- 7, 0.2-2. The firing interval of the coating is 880-980 ° C, the whiteness is 80-82%, the heat resistance is 150 ° C, and the gloss is at 77.8-79.5%. The temperature of the frit mark is 1250-1290 s. 2 tab. 14)

Description

1-13

The invention relates to the technology of silicates and can be used in the building materials industry as a coating for the preparation of ceramic tiles for interior wall cladding.

The purpose of the invention is to increase whiteness, reduce the temperature of frit cooking and roasting, and extend the roasting interval while maintaining heat resistance and luster.

The following specific compositions of the glaze are given in table. one.

Table 1

table 2

Claims (1)

<claim-text> Formula of the invention </ claim-text> </ td> <td> <claim-text> δίθ <sub> 2 </ sub> </ claim-text> <claim-text> A1 <sub> 2 </ sub> O <sub> 3 </ sub> </ claim-text> </ td> <td> <claim-text> 42-46 </ claim-text> <claim-text> 4-6,5 </ claim-text> </ td> </ tr> <tr> <td> <claim-text> Glaze, including δΐθ <sub> 2 </ sub>, A1 <sub> 2 </ sub> 0 ^, </ claim-text> </ td> <td> <claim-text> ®2θ3 </ claim-text> </ td> <td> <claim-text> 20.5-26.5 </ claim-text> </ td> </ tr> <tr> <td> <claim> 2 </ sub> 0 <<sub> g </ sub>, CaO, Mg0, Ea <sub> 2 </ sub> 0, K <sub> 2 </ sub> Oh, ΖγΟ <sub> 2 </ sub>, 30 </ claim-text> </ td> <td> <claim-text> cao </ claim-text> </ td> <td> <claim-text> 3, .5-5.0 </ claim-text> </ td> </ tr> <tr> <td> <claim-text> ΖηΟ, BaO, Ι-.ί <sub> 2 </ sub> 0, distinguishing - </ claim-text> </ td> <td> <claim-text> Mg0 </ claim-text> </ td> <td> <claim-text> 0.3-0.7 </ claim-text> </ td> </ tr> <tr> <td> <claim-text> with the fact that, in order to increase </ claim-text> </ td> <td> <claim-text> Yes <sub> 2 </ sub> 0 </ claim-text> </ td> <td> <claim-text> 3.5-4.5 </ claim-text> </ td> </ tr> <tr> <td> <claim-text> whiteness, temperature reduction var - </ claim-text> </ td> <td> <claim-text> <sup> K </ sup> 2. ° </ claim-text> </ td> <td> <claim-text> 1.5-2.5 </ claim-text> </ td> </ tr> <tr> <td> <claim-text> ki frits and roasting, extensions in - </ claim-text> </ td> <td> <claim-text> ΖγΟ <sub> 2 </ sub> </ claim-text> </ td> <td> <claim-text> 6-8 </ claim-text> </ td> </ tr> <tr> <td> <claim-text> firing point while maintaining thermo- 35 </ claim-text> </ td> <td> <claim-text> ΖηΟ </ claim-text> </ td> <td> <claim-text> 5-7 </ claim-text> </ td> </ tr> <tr> <td> <claim-text> durability and brilliance, it complements - </ claim-text> </ td> <td> <claim-text> BaO </ claim-text> </ td> <td> <claim-text> 1.9-2.9 </ claim-text> </ td> </ tr> <tr> <td> <claim-text> but contains mdd: </ claim-text> </ td> <td> <claim-text> Πϊ <sub> 2 </ sub> 0 </ claim-text> </ td> <td> <claim-text> 0.2-2. </ claim-text> </ td> </ tr> </ table>