Description:

WFA is produced form the fusion of high purity calcined alumina in electric arc furnaces.

It is characterized with high hardness, yet friable, high purity, chemical stability, high melting point, and large crystal size WFA is used in many applications includes: grinding and cut off wheels, refractories, and ceramic shapes, coated abrasv=ives, lapping and polishing, and etc.

 

Application:

  1. Bonded Abrasives Tools
  2. Coated Abrasive Tools
  3. Refractories & Ceramics
  4. Polishing Crystal & Electronic Industry
  5. Special Micropowder for Precision Founding

 

Technical Data:

 

Chemical Composition
In wt.% (F24)

Index Al2O3 SiO2 Fe2O3 TiO2
Typical Value 99.52 0.08 0.04 0.33

 

Physical Properties

Basic Minerals Crystal Size Pure Density (g/cm3) Bulk Density (g/cm3) Knoop Hardness (kg/mm2)
α-Al2O3 600-1400 ≥3.9 1.5-1.95 2200-2300

Grits Available:

Bonded Abrasives: F12 to F220, F230 to F1200
Coated Abrasives: P16 to P200, P240 to P2500
In accordance with the current GB/ FEPA/ JIS sieve standards.

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White Fused Aluminium Oxide (WFA)

  • Product Code: White Fused Aluminium Oxide (WFA)
  • Availability: In Stock

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