• Unshaped Refractory Materials

          Unshaped refractory materials are defined as” mixtures consisting of aggregates, additives, and binders, prepared for direct use in the state of delivery or after adding suited liquids”. In contrast to refractory bricks, they are without specific shape and are in majority placed in larger sections behind molds and templates forming a monolithic lining. Gunning installations without the requirement for a mold are increasing due to ease of application and higher installation speed.

Tabular Alumina TA 40

Sicheng Tabular Alumina T40 is a pure sintered α-alumina material that has been fully densified by rapid-sintering without the use of sintering aids at temperatures in excess of 1800°C. Tabular Alumina has characteristic large, well developed hexagonal tablet shaped α-alumina crystals of up to 200 µm length.

The excellent thermal volume stability and thermal shock characteristics can be attributed to its specific microstructure: low open porosity and large crystals with closed spherical pores,which are entrapped upon re-crystallization during rapid sintering. Tabular alumina has extremely high refractoriness, high
mechanical strength and abrasion resistance, very good chemical purity, excellent dielectric properties and good resistance against acid and alkali corrosion.
Tabular Alumina is the aggregate of choice in unshaped and shaped high performance refractories. It is used in a variety of industries such as steel, foundry, cement, petrochemical, ceramic and waste incineration. Other common applications include its use in electrical insulators, kiln furniture and as a catalyst support.

Size:

0 – 3 mm ; 0 – 1 mm; 0 – 0.5 mm; 0 – 0.3 mm; 0 – 0.2 mm; 325 mesh; 20μm; 14×28 mesh; 28×48; 3×6; 25 mm; 19 mm; 18 mm

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