FIELD: manufacture of building materials. SUBSTANCE: method includes supply of pigment to sand, their mixing with lime-sand binder, moistening, mixture slaking, additional treatment in grinding units and final moistening, additional finishing of tonality of said raw mixture. It is possible to supply pigment in form of aqueous solution, finishing of tonality on conveyor by additional coloring with pigment solution or treatment with flushing water, or perform this procedure after slaking in silo towers for 3 h. Grinding units are used in form of disintegrators with grinding of said raw mixture after finishing its tonality. EFFECT: provided coloration homogeneity, high fastness to light and increased frost resistance of color sand-lime brick. 5 cl, 2 tbl
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Authors
Dates
2003-10-20—Published
2002-05-30—Filed