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White Fused Alumina

White Fused Alumina

WHITE FUSED ALUMINA

White Fused Alumina (WA), also known as White Aluminium Oxide, is produced by electrically fusing high-grade Bayer processed alumina in a furnace. It boasts high purity, self-sharpening properties, better cutting performance, and lower heat generation, resulting in higher efficiency. Additionally, it offers excellent resistance to both acids and alkalis, along with good thermal stability. Abrasive tools made from White Fused Alumina are ideal for grinding high-speed and high-carbon steels. It is also used in applications such as grinding and polishing, precision casting, spraying and coating, chemical industry mediums, special ceramics, and high-grade refractory materials.

Features:

  1. White Fused Alumina (WFA) is made from high-quality alumina powder, with a melting point above 2200°C.
  2. It offers high hardness, friability, purity, and a high melting point.
  3. Due to its hardness and durability, WFA abrasives are reusable multiple times.
  4. It is harder than most blasting media, enabling fast cutting action.

Applications:

Used for Refractories
White Fused Alumina (WFA) is valued for its excellent thermal stability, making it ideal for use in hook refractory materials, refractory castables, and other high-performance refractory products.

Used for Abrasives

  • Blast Cleaning: WFA is used in cleaning metallic surfaces by removing materials (abrasive effect).
  • Rust and Scale Removal: It effectively removes rust and scale from metal surfaces.
  • Tempering Color Removal: WFA can eliminate tempering colors on metals.
  • Surface Finishing: It is used to create a matte finish on various surfaces and to produce specific visual effects.

Other Applications

  • Surface Roughening: WFA is used for roughening metallic surfaces and creating a matte finish on glass.
  • Deburring: It is effective for processing very hard components and removing burrs.
  • Refractory and Castable Materials: WFA is utilized in the production of firebricks and other refractory materials, offering durability and heat resistance.

 

 

 

 

 

 

 

 

PRODUCT SPECIFICATIONS:

 

 

PRODUCT

SIZE

SIZE DISTRIBUTION

BULK DENSITY

ROUGH GRAIN

COARSE GRAIN

BASIC GRAIN

MIXED GRAIN

FINE GRAIN

WHITE FUSED ALUMINA

220#

0

0.5

43

83

8.0

1.45

 

 

 

PRODUCT

SIZE

CHEMICAL COMPOSITION

TEST ITEM

AL2CO3

SiO2

Fe2O3

Na2O

STANDARDS

≥99%

≤0.5%

≤0.15%

≤0.5%

WHITE FUSED ALUMINA

220#

Measured Value

99.65

0.03

0.05

0.27




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