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White Fused Alumina Segmental Sand

White fused alumina segmental sand is a premium refractory material produced by melting high-quality industrial alumina powder in an electric tilting furnace at temperatures exceeding 2200°C. After the melting process, it is carefully cooled and screened. The dominant crystal phase in this material is α-Al2O3, which imparts a distinct white color. This sand serves as a crucial raw material for manufacturing high-grade amorphous and shaped refractory products. Its exceptional quality and properties make it highly sought after in various industries worldwide

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Physical properties

Hardness:

9 mohs

Crystal Form：

Alpha - Alumina

Melting point:

 2250°C

True Density：

 3.95g/cm3

Color：

White

Bulk density:

depending on grain size

Typical chemical analysis

Al2O3:

99.47%

Fe2O3:

0,08%

SiO2:

0,09%

Na2O：

0,28%
Available grain sizes (Average grain size)
For refractory Size sand Fine powder
0-1mm 120#-0
1-3mm 180#-0
3-5mm 200#-0
5-8mm 220#-0
8-12mm 325#-0
Note: Various section sand and fine powder can be processed according to customer needs.

Benefits and Advantages

  • High-temperature resistance: White fused alumina segmental sand possesses an extremely high melting point and excellent resistance to high temperatures. It maintains stable physical and chemical properties even in demanding high-temperature environments.

  • Wear and corrosion resistance: White fused alumina segmental sand exhibits exceptional resistance to wear and corrosion, effectively protecting against the erosion and wear caused by furnace media.

  • Thermal shock stability: White fused alumina segmental sand demonstrates impressive thermal shock stability, enabling it to withstand sudden temperature changes and minimize thermal stress. This characteristic extends the service life of refractory materials.

Application areas (including but not limited to)

  • Refractory bricks

    White fused alumina segmental sand is utilized in the production of refractory bricks for high-temperature furnaces, including metallurgical furnaces, glass kilns, and ceramic kilns.

  • Refractory coatings

    White fused alumina segmental sand is employed in the manufacturing of refractory coatings, which are applied to the inner walls of high-temperature equipment to provide protection against wear, corrosion, and high temperatures.

  • Refractory adhesives

    White fused alumina segmental sand is used in the production of refractory adhesives for bonding refractory materials, repairing furnace linings, and filling cracks.

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