Product Introduction
White fused alumina abrasive, also called white aluminum oxide or WFA abrasive, is produced by melting refined alumina powder at temperatures above 2000°C, followed by controlled cooling and crushing. Compared with brown fused alumina, it offers higher purity, greater hardness, and better friability, which allows new sharp edges to form during grinding. This makes it especially suitable for precision applications where surface finish and dimensional accuracy matter.
Specifications
|
Item |
Specification |
|
Product Name |
White Fused Alumina Abrasive |
|
Other Names |
White Aluminum Oxide, WFA Abrasive |
|
Al₂O₃ Content |
≥ 99.2% |
|
Color |
Pure White |
|
Hardness |
Mohs 9.0 |
|
Grain Sizes |
F8–F220 / F240–F1200 (FEPA), JIS & ANSI available |
|
Shape |
Grits / Grains / Powder |
|
Bulk Density |
1.6–1.9 g/cm³ (by size) |
|
Packaging |
25kg bags / 1MT jumbo bags |
|
Supply Type |
Manufacturer & Bulk Supplier |
White fused alumina abrasive Key Features
One of the main features of white fused alumina abrasive is its high purity. With very low iron and impurity content, it reduces the risk of surface contamination, which is critical for stainless steel, tool steel, and precision components. This directly benefits end users by improving surface finish quality and lowering rejection rates.
Another advantage lies in its friable structure. During grinding, the abrasive grains fracture in a controlled way, continuously exposing new sharp cutting edges. This means lower grinding pressure, reduced heat generation, and more stable performance-especially important for ceramic bonded abrasives and resin bonded grinding wheels.
Thanks to strict furnace control and grading processes, our white aluminum oxide shows consistent particle size distribution. For wholesalers and manufacturers, this consistency translates into predictable performance, easier quality control, and fewer customer complaints across large-volume orders.
Applications
White fused alumina abrasive is widely used across multiple industries:
Bonded abrasives: grinding wheels, polishing wheels, vitrified and resin bonded tools
Coated abrasives: sanding belts, discs, and sheets
Surface finishing & polishing of stainless steel, carbon steel, and alloy steel
Sandblasting & surface preparation where clean, non-contaminating media is required
Refractory materials and technical ceramics requiring high thermal stability
Its versatility makes it a popular choice for manufacturers, distributors, and industrial users seeking a reliable industrial white alumina solution.
Why Choose Us as Your Supplier?
As a professional white fused alumina manufacturer and supplier, we focus on stable quality and long-term cooperation. Each production batch is tested for chemical composition, grain size distribution, and bulk density. This ensures our WFA abrasive meets the expectations of global markets, including Europe, the Middle East, South America, and Southeast Asia.
For bulk buyers, we offer competitive pricing, consistent supply capacity, and flexible packaging options, helping you reduce sourcing risks and improve your supply chain efficiency.
FAQ
Q: What is the difference between white fused alumina and brown fused alumina?
A: White fused alumina has higher purity and lower iron content than brown fused alumina. It is sharper and more friable, making it better for precision grinding and finishing applications.
Q: What grit sizes can you supply?
A: We supply a full range of FEPA, JIS, and ANSI grit sizes, from coarse grains (F8–F24) to fine powders (F240–F1200), suitable for different abrasive processes.
Q: Is white fused alumina suitable for stainless steel?
A: We supply a full range of FEPA, JIS, and ANSI grit sizes, from coarse grains (F8–F24) to fine powders (F240–F1200), suitable for different abrasive processes.
Q: Can you supply in bulk quantities?
A: Absolutely. We specialize in bulk white fused alumina supply, with stable production capacity and export-ready packaging.
Q: Do you provide technical support?
A: Yes. We can recommend suitable grain sizes and specifications based on your application, whether for grinding wheels, polishing, or sandblasting.
Looking for a reliable White Fused Alumina Abrasive supplier?
Contact us today for technical advice, samples, or a competitive bulk quotation. We are ready to support your business with stable quality and long-term supply.
TEL:+8618560921569
Email: yfabrasive@163.com
What's app : +8613361403292
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