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Refractory bricks or concretes are needed for manufacturing processes that require high temperatures – such as the production of steel, cement, glass or non-ferrous metals. These products contain minerals such as bauxite, magnesite, tabular alumina, zircon, kyanite, chrome ore or graphite. CREMER ERZKONTOR supplies you with the desired raw material in the required quantities.
Due to its high electron density, Barium Sulfate can be used as a positive X-ray contrast agent. Barium Sulfate is a white powder that is practically insoluble in water, ac...
Brown Fused Alumina (BFA) is a very hard, tough abrasive raw material produced by melting bauxite (an aluminum ore) at extremely high temperatures. During the melting proce...
Brucite is also referred to as magnesium hydroxide when it exists in its synthetic or chemical form. Magnesium hydroxide is an inorganic compound that occurs in the form of...
Calcined Alumina is a synthetically produced material consisting of aluminum oxide obtained by heating alumina at high temperatures. It is characterized by its high tempera...
Calcined Bauxite is produced by the sintering/calcining of low-iron, low-alkali containing raw bauxites at temperatures of 1600 – 1800°C. In this calcination process the hi...
Calcined Flint Clay is a refractory raw material made from naturally occurring kaolin or clay slate. Calcination, i.e. heating at high temperatures, removes organic compone...
Calcined Kaolin is produced by calcining (firing, sintering) kaolin clay or kaolinite rock (flint clay). Calcination is mainly carried out in rotary kilns, but also in shaf...
Calcined Kyanite is produced by calcination of Virginia Kyanite, an alumino silicate. Kyanite ore is crushed, the kyanite crystals are separated from other ore components a...
Calcined Magnesite, also known as burnt magnesite or magnesium oxide, is produced by heating naturally occurring magnesite rock. This process removes carbon dioxide from th...
Caustic Calcined Magnesia (CCM) is a mineral raw material produced by calcining magnesium carbonate at high temperatures. It is characterized by high purity and excellent c...
Cenospheres are microscopic hollow spheres that are formed in ash, especially when coal is burnt in power plants. They are characterized by their light, hollow structure, w...
Chamotte, also called fireclay, is a refractory material produced by firing clay or kaolin at high temperatures. It is characterised by its high heat resistance and refract...
Chrome Ore, also known as chromite, is a naturally occurring mineral that contains chromium, an important metal. It is found in various geological formations around the wor...
Chrome Ore Sand is an Iiron chromium oxide found naturally in the earth crust, obtained by underground mining. It is by far the most industrially important mineral for the ...
Chrome Oxide Green is an inorganic green pigment made from various chromium compounds by heating to approx. 800°C. It can be used in paints, inks and glasses. Due to its hi...
During sintering (firing) at temperatures of 1750 – 2000 C° in shaft or rotary kilns naturally occurring magnesium carbonate is converted into sintered magnesia, directly (...
Dolomite is a naturally occurring mineral and rock consisting mainly of calcium magnesium carbonate. It is characterized by a variety of properties. Dolomite comes in a var...
Fused Dolomite is obtained through the melting process of dolomite rock. Due to its unique properties, it can be used in many ways. It is particularly characterized by its ...
Fused MA Spinel, or magnesium aluminate spinel, is an inorganic material used in ceramics and materials engineering. It is characterized by a high level of hardness, therma...
By fusing in an electric arc furnace, Fused Magnesia can be produced, which along with sintered magnesia is used for refractory bricks (e.g. to line steel furnaces or cemen...
Fused MC Spinel is a synthetically produced material for the refractory industry. It is a mixture of magnesium oxide (caustic magnesia) and chromite/chrome ore concentrate ...
Fused Silica is a naturally occurring material primarily composed of silicon dioxide (SiO2). It is known for its hardness, high thermal resistance, and chemical inertness. ...
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...
Light Weight Chamotte is a refractory and insulating raw material. A hard spongelike material is produced by sintering a special refractory clay which expands during calci...
Lightweight Fillers are materials used in various industries to make products lighter without losing strength. These materials are often porous and have a lower density com...
Metal Powders are fine particles of various metals in powdered form. These powders are produced by means of processes such as crushing, grinding, or atomization. Metal Powd...
Mullite is a crystalline material consisting mainly of aluminum oxide and silicon dioxide. It is characterized by its exceptional temperature resistance and thermal expansi...
Olivine is an iron and magnesium silicate, produced from the raw stone dunite/olivine.
Polypropylene Fibers (PP) are a semi-crystalline thermoplastic and belong to the group of polyolefins. They are produced by polymerization of propene.
Pyrophyllite is a mineral silicate classified in the phyllosilicate group. It is characterized by its foliated structure and transparency, and it is often found in differen...
Raw Bauxite is a natural occurring aluminum hydrate, predominantly gibbsite and boehmite. Raw Bauxite provides the needed Al2O3 content in cement, aluminum and mineral woo...
Raw Flint Clay is a special type of clay that is used in various industrial applications due to its high refractoriness and chemical resistance. It is a form of kaolin clay...
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...
Reactive Alumina is a special raw material used in the manufacture of abrasives and abrasive products. It is characterized by its extreme hardness, high strength and abrasi...
Silicon Carbide (SiC) is a crystalline solid characterized by extreme hardness, high temperature resistance and electrical conductivity. SiC is used in many technical appli...
Sintered Dolomite is created by the sintering process of natural dolomite rock, which gives it unique properties. As a result, the material is used in various industries. I...
Sintered MA Spinel is a technical ceramic material characterized by high hardness, excellent wear resistance and temperature resistance. It is a sintered material produced ...
Sodium Silicate Binder consisting of 83% rapid water soluble sodium water glass and 17% water, acid and lye insoluble binder additives. Ankerglas-SN33 and Ankerglas-SN27 ha...
Steel Fibers are small metal fibers made of steel. They typically have a length of a few millimeters to a few centimeters and a diameter of a few micrometers. In the refra...
Tabular Alumina is a re-crystalline sintered alpha alumina with high density. It consists of large (50 – 200 µm), flat, table-shaped corundum crystals.
White Fused Alumina (WFA) is a high-purity, white abrasive made from aluminum oxide. It is produced by melting high-quality alumina in an electric arc furnace at very high ...
Wollastonite is a naturally occurring, calcium silicate-based mineral that is present in the form of needle-like crystals or fibers. It is characterized by its high tempera...
Zircon Flour is a mineral powder obtained from zircon sand that is used in various industrial applications. It is characterized by its high hardness, abrasion resistance an...
Zircon Sand is a heat-resistant mould base material consisting mainly of the heavy mineral zirconium silicate. It comes from natural sand deposits.
Zirconium Dioxide, also known as zirconia, is a ceramic material with outstanding properties. It is characterized by its high level of hardness, wear resistance and chemica...