| 摘要 |
A scrappy pattern grano brick, composed with two layers in different composition proportion of silicate material, the components of surface-layer comprised with more than 70 % wt. granules having diameter of 2 to 20 mm, colored with red, blue, yellow, black, white or green, and sintering powder, less than 30 % wt., the colored granules in a proportion at least of 30 to 90 % sq. based on the total area of surface layer, the scrappy patterns which with the length of 2.5 to 20 cm, the best width of 1.5 to 5 cm, spread 20 to 100,000 regions on the surface of the layer; the base-layer is made up of granules having diameter of 0.05 to 10 mm with any color, sintering with powder. The invention relates to a manufacture of building ornamental material.
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