THE USE OF BASIC IRON-OXIDE PIGMENTS FOR OBTAINMENT OF A WIDE COLOR RANGE OF DECORATIVE CONCRETES
Keywords:
iron-oxide pigments, decorative concrete, white Portland cement, coloration, color shades.Abstract
This article presents an empirical study on mixing of pigments and alternating their dosage in
different ways in order to obtain a wide range of colors of decorative concrete. This study will be a
useful guide for laboratories at various plants which produce reinforced concrete products and structures
and which would like or are already using pigments of the basic colors. During the research,
combinations of pigment colors for replacement of commercial mixtures of pigments (orange, light
brown, dark brown) have been determined; different shades of decorative concrete with given
composition have been obtained; some properties of concrete mixture containing iron-oxide pigments
have been tested together with strength characteristics and durability parameters of decorative
concrete; a positive economic effect has been obtained after refusing to use commercial products
and additional equipment for their storage, supply, dosing, etc.
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