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Natural graphite is crystalline carbon in flake form in metamorphous rocks. Graphite has a high refractoriness and excellent electrical and thermal conductivity. The main applications are shaped refractories.
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This substance is used in the following products: fillers, putties, plasters, modelling clay, lubricants and greases, coating products and polymers. Release to the environment of this substance can occur from industrial use: formulation of mixtures, as an intermediate step in further manufacturing of another substance (use of intermediates), manufacturing of the substance, formulation in materials, in processing aids at industrial sites and in the production of articles. Other release to the environment of this substance is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners), outdoor use, indoor use in long-life materials with a low release rate (e.g. flooring, furniture, toys, construction materials, curtains, footwear, leather products, paper and cardboard products, electronic equipment) and outdoor use in long-life materials with a low release rate (e.g. metal, wooden and plastic construction and building materials).
During sintering (firing) at temperatures of 1750 – 2000 C° in shaft or rotary kilns naturally occurring magnesium carbonate is converted into sintered magnesia, directly (...
Natural graphite is crystalline carbon in flake form in metamorphous rocks. Graphite has a high refractoriness and excellent electrical and thermal conductivity. The main a...
Raw Kyanite is an aluminosilicate mineral. After ore crushing the kyanite crystals are separated from other ore elements by heavy media separation and flotation. Concentrat...