FIELD: construction.
SUBSTANCE: invention relates to the production of building materials, namely silica brick. Raw mix for the manufacture of silica bricks, including quartz sand and ground quicklime, additionally contains periclase and synthetic vanillin, introduced after mixing and holding the mixture until the lime is completely slaked, in the following ratio, pts. wt. quartz sand 86–88, ground quicklime 7–11, ground to a specific surface of 1,100–1,500 cm2/g periclase 3–5, synthetic vanillin 0.001–0.005.
EFFECT: high bricks strength.
1 cl, 1 tbl
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RU2465236C1 |
