Ceramic mass for production of facing tiles. RU patent 2506242.

IPC classes for russian patent Ceramic mass for production of facing tiles. RU patent 2506242. (RU 2506242):

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FIELD: chemistry.

SUBSTANCE: invention relates to compositions of ceramic masses, which can be used in production of facing tiles. Ceramic mass for production of facing tiles includes clay, glass bead, bone ash and wollastonite with the following component ratio, wt %: clay - 62.0-66.0; glass bead - 22.0-26.0; bone ash - 4.0-6.0; wollastonite - 6.0-8.0.

EFFECT: increased strength of products.

1 tbl

The invention relates to compositions of ceramic masses, which can be used in the production of facing tiles.

Known ceramic mass, comprising, mass%: clay 66,0-80,0; waste of enrichment of asbestos ore from 10.0 to 20.0; coal 1,0-4,0; 1,0-10,0 [1].

The task of the invention consists in increasing the durability of products obtained from the ceramic body.

The technical result is achieved by the ceramic material for the manufacture of facing tiles, including clay and , contains bone ash and admixtures of wollastonite with the following component ratio, mass%: clay 62,0-66,0; 22,0-26,0; bone ash 4,0-6,0; admixtures of wollastonite 6,0-8,0.

The table shows the composition of the ceramic material.

Table.

Components

Composition, wt.%

1 2 3

Brick clay

62,0 64,0 66,0

(waste fibre production)

26,0 24,0 22,0 Bone ash 4,0, 5,0 6,0

Admixtures of wollastonite

8,0 7,0 6,0

Compressive strength, MPa

40-45 40-45 40-45

For preparation of ceramic masses use quality clay any deposits.

Components are measured in the required amount. and admixtures of wollastonite separately grind to a powder, mix with a bone ash and clay. From the ceramic mass (with humidity 9-11% semi-dry or humidity 18-26% plastic way) shaped tiles. At a temperature of 1130-1180°spend the first roasting tiles. Then the surface of baked tiles put a layer of low-melting glaze or enamel at a temperature 900-950°spend the second firing.

Source of information

1. SU 1165662, 04 33/00, 1985.

Ceramic material for the manufacture of facing tiles, including clay and , characterized in that it contains bone ash and admixtures of wollastonite with the following component ratio, mass. %: clay - 62,0-66,0; - 22,0-26,0; bone ash - 4,0-6,0; admixtures of wollastonite - 6,0-8,0.