Iron oxide (iron oxide, red lead, red pigment)
Iron oxide is used: In construction, it is used to color concrete, cement, brick and ceramics. It is one of the main dyes for paving slabs and sand-lime bricks. To obtain a rich color, dyes are added in an amount of 2-5% by weight of the mixture. In the paint and varnish industry, iron oxide pigments are used for paints, enamels and primers; they are perfectly compatible with almost all types of film-forming substances. Due to their unique properties, these dyes are also actively used in other industries, for example, for coloring linoleum, plastics and in printing inks. as a catalyst in ammonia production, in thermite welding of steel structures, as an information carrier in magnetic media, as a polishing agent for steel and glass.
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