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cryolite

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.03 sec.
cryolite or kryolite (both: krī`əlīt') [Gr.,=frost stone], mineral usually pure white or colorless but sometimes tinted in shades of pink, brown, or even black and having a luster like that of wax. Chemically, it is a double fluoride of sodium and aluminum, Na3AlF6. Its principal use is as a flux in the smelting of aluminum. It is used also as a source of soda, aluminum salts, fluorides, and hydrofluoric acid (by the action of sulfuric acid). It was discovered in Greenland in 1794 and occurs almost nowhere else. Cryolite has been produced synthetically.
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Material safety data sheets of the patient's work revealed potential for exposure to the following substances: phenolic resins, teflon, calcium oxide, graphite, nickel, copper, silicon carbide, aluminum oxide, silver, chromium, magnesium oxide, tin, glass, cryolite, silica, iron, tungsten, tungsten carbide, phosphorus, and cobalt.
Occupational asthma with paroxysmal atrial fibrillation in a diamond ... by Szeinuk, Jaime / Environmental Health Perspectives
Manufacturer and/or Grade BLOW MOLDING, EXTRUSION AND INJECTION MOLD - CYRO XT-Polymer XT250 Cryolite G-20HIFLO XT-Polymer XT375 EXTRUSION AND INJECTION MOLDING - CYRO Cyrolite G20-100 - Nova Chemicals NAS 30 NAS 21 INJECTION MOLDING - CYRO XT-Polymer XT-X800RG Cyrolite GS-90 XT-Polymer XT-2000 XT-Polymer X800RH - Nova Chemicals Zylar 93-546 NAS 36 Zylar ST 94-560 See Ad/ Melt Data Filler/ Flow Sheets, Rainf Rate, Page Features, Type, g/10 No.
ACRYLIC COPOLYMERS by Plastics Technology
Cryolite has a melting point of 182SF (996C) and does not react with silica, as does iron oxide, to form a slag; cryolite will liquefy in-situ to form a barrier.
Porosity in Iron Castings from Mold-Metal Interface Reactions by Naro, R.L. / Modern Casting
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