Agent Name

Ceramic materials and wares, chemicals

CAS Number

66402-68-4

Formula

Unspecified

Major Category

Mineral Dusts

Synonyms

Antimony oxide calcium titanate silicate ceramic opacifier; Barium, calcium, magnesium, strontium, aluminum silicate flux; Calcined bauxite; Calcined clay; Calcined clays; Calcined fireclay; Calcined kaolin; Calcined kaolin clay; Calcined kentucky flint clay; Calcined lightweight aggregate; Calcined missouri flint clay; Calcined semi-flint clay (blum); Calcined semi-flint clay (harris); Ceramic; Ceramic bonded alumina; Ceramic bonded silicon carbide; Clay bonded mordenite; Clay bonded natural zeolite; Expanded clay, lightweight aggregates; Fireclay, calcined; Fired clay; Kaolin, calcined; Nickel oxide coated ceramic bonded zircon; Synthetic mordenite; Ceramic implants; [ChemIDplus] Keramik Mikrospheres; Magnesium chromite spinel; NITRURE de SILICIUM; Prepared ceramic bodies; [IUCLID] CARBOSCALEGUARD II; Infused Ceramic Proppant; Semi-Crystalline Alumina Silicate; Sintered Kaolinite, Resin-coated Proppant; [Carbo Ceramics MSDS]

Category

Other Mineral Dusts

Description

Pale green to pale yellow blended with tan to light gray odorless spheres; [Carbo Ceramics MSDS]

Sources/Uses

Permitted for use as an inert ingredient in non-food pesticide products; [EPA] "Products made by baking or firing nonmetallic minerals (clay and similar materials). In making dental restorations or parts of restorations the material is fused porcelain. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed & Boucher's Clinical Dental Terminology, 4th ed)" [ChemIDplus] Used in the paints-lacquers-varnishes and ceramics-refractories industries, as a filler, insulating material, and ceramic body component; [IUCLID] Used as a reactive processing aid in the manufacture of basic metals (including alloys); [ExPub: ECHA REACH Registrations] Used as a proppant for oil and natural gas well hydraulic fracturing and as a scale inhibitor; [Carbo Ceramics MSDS]

Comments

"This category encompasses the various chemical substances manufactured in the production of ceramics. For purposes of this category, a ceramic is defined as a crystalline or partially crystalline, inorganic, non-metallic, usually opaque substance consisting principally of combinations of inorganic oxides of aluminum, calcium, chromium, iron, magnesium, silicon, titanium, or zirconium which conventionally is formed first by fusion or sintering at very high temperatures, then by cooling, generally resulting in a rigid, brittle monophase or multiphase structure. (Those ceramics which are produced by heating inorganic glass, thereby changing its physical structure from amorphous to crystalline but not its chemical identity are not included in this definition.)" [ChemIDplus] Dust may cause eye, mucous membrane, and lung irritation; [Carbo Ceramics MSDS]

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