Tabular alumina for sale is a pure sintered α-alumina material. It is also known as white sintered alumina. Normally, the wholesale tabular alumina will be fully densified by rapid sintering at temperatures exceeding 1900°C without the use of sintering aids.

Wholesale Tabular Alumina Specifications

Shape Chemical Compositions Physical Characteristics

AL2O3 Na2O SiO2 Fe2O3 Bulk Density Apparent Porosity Water Absorption

≥% ≤% ≤% ≤% ≥g/cm3 % %

Balls 99.4 0.40 0.10 0.03 3.5 5 1.5

Grains 99.3 0.40 0.10 0.03 3.5 5 1.5

Powder 99.0 0.40 0.12 0.03 - - -

Size Available -8mesh, 3-6mesh, 6-10mesh, 6-14mesh, 8-14mesh, 14-28mesh, 28-48mesh, -14mesh, -28mesh, -48mesh, -100mesh, -325mesh

5-10mm, 2-5mm, 3-6mm, 2-3mm, 1-3mm, 1-2mm, 0.5-1mm, 0.2-0.6mm, 0-1mm, 0-0.5mm, 0-0.3mm, 0-0.2mm, 0-0.045mm

Tabular Alumina Properties

01.

Characteristic

HAOYUN wholesale sintered tabular alumina has characteristics of large, well-developed hexagonal tablet-shaped α-alumina crystals of up to 200μm length.

02.

Specific Microstructure

The excellent thermal volume stability and thermal shock characteristics can be attributed to the specific microstructure of tabular alumina: low open porosity and large crystals with closed spherical pores, which are entrapped upon re-crystallization during rapid-sintering.

03.

High Refractoriness

Tabular alumina powder for sale 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.

04.

Aggregate of Choice

Tabular alumina is the aggregate of choice in unshaped and shaped high-performance refractory.

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