Top Suppliers Aluminum Oxide Hydroxide - Tabular Alumina – Ton Year Detail:
Calcined Alumina
Calcined Alumina is a commercial Alumina or Aluminum Oxide. It is white powder. One of the outstanding characteristics of Calcined Alumina is its hardness which is 9 on mohs scale. There is board industrial field of applications for this type of alumina and number of distinctive grade are produced to meet various needs.
Identification of grades
1) Calcined Aluminum S-100 grades: White granular free flowing powder passes through 150 m.
2) Calcined Aluminum S-300 grade: White superfine powder passes though 45 micron.
3) Calcined Alumina SCM grade: It is finally ground grades consisting entirely of superfine passes through 45 micron.
4) Calcined Alumina S-300 PT: It is finely ground grade consisting entirely of superfine with surface treated.
Uses
Use as a bedding material in the heat treatment of special alloy steels, It is use as a fluxing medium in the meeting of special steels as a component of low expansion glass. It is use as a constituent of special china dazes & it is use as a raw material for the manufacture of dental porcelains. It is use for refractory application such as electrical insulators. It is use as a abrasive resistant. It is use glazing ceramic tiles.
Tabular Alumina (TA) is a kind of α-Al2O3 material which is rapidly sintered by high temperature shaft kiln then by rapid cooling. It has the characteristics of low open porosity and large crystals with closed spherical pores which are trapped upon re-crystallization during rapid sintering. Tabular alumina is of high refractoriness, excellent thermal shock resistant, fantastic anti-creeping and anti-stripping performance. As the essential refractory raw material finally applied in iron and steel industry, it is most widely used in the refractory castables ladles, precastings as porous bricks, seating bricks, sliding nozzles, ladle stoppers. As the primary choice of refractory raw materials, it is also widely used in a variety of industries such as foundry, petrochemical, ceramic and incineration.
Typical Value
Granule Specification (mm): 5-10, 3-6, 1-3, 0-1,0.5-1, 0-0.5, 0.2-0.6
Powder Specification (μm): -45μm(-325 mesh), -30μm (-500 mesh)
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