White Fused Alumina

Lane Abrasives, specializing in the production of white fused alumina (WFA), also known as white aluminum oxide, employs a controlled electric arc furnace process to produce this high-purity abrasive. White fused alumina, characterized by its high Mohs hardness of 9, is renowned for its excellent strength, superior wear and corrosion resistance, and outstanding thermal conductivity.

Manufactured in various shapes and grit sizes, from coarse macrogrits to fine microgrits and powders, white fused alumina is designed to meet a wide range of application needs. This abrasive material stands out for its ability to function effectively in high-temperature environments and for applications requiring a clean, contamination-free surface.

White fused alumina is extensively used in industries that demand high-purity raw materials, such as in the production of refractory linings, ceramic shapes, and precision grinding wheels. It is also favored in sandblasting media, metal preparation, high-grade laminates, and protective coatings, where its purity and abrasive properties ensure optimal performance. Furthermore, white fused alumina is ideal for lapping and polishing processes, where a precise and smooth finish is crucial.

Lane Abrasives ensures that their white fused alumina is available in a variety of standard grit and powder sizes, with customization options to meet specific customer requirements. Its ability to maintain structural integrity at high temperatures and resist corrosive and abrasive environments makes it a preferred choice in numerous industrial and technical applications.

Al2O3 >99.00%

White

F12-F220/P12-P220

F240-F1200/P240-P2500

0-1mm, 1-3mm, 1-10mm, 0-25mm, 100F, 200F, 325F or as required

White fused alumina (WFA) is known for its purity, hardness, and chemical stability, making it suitable for a wide range of applications:

1. Refractory Materials: WFA is extensively used in the production of refractory bricks, castables, and pre-cast shapes due to its high melting point, thermal stability, and resistance to slag and corrosive gases.
2. Abrasives: It serves as a premium abrasive in manufacturing bonded and coated abrasive products like grinding wheels, sandpaper, and abrasive belts. Its high hardness makes it excellent for precision grinding and cutting of metals and other materials.
3. Surface Preparation: WFA is used in blasting media for surface cleaning and preparation, capable of producing a clean, polished surface without contamination.
4. Ceramics: In the ceramics industry, WFA is used for making high-purity ceramic products, including insulators, substrates, and advanced ceramic components.
5. Polishing: Ideal for high-precision polishing of soft metals, glass, and semiconductor materials, providing a smooth and mirror-like finish.
6. Laminates and Coatings: Used as a filler in laminates for its electrical insulation properties and in coatings for its thermal and wear resistance.
7. Investment Casting: It acts as a stucco or refractory coating in investment casting shells, offering high dimensional accuracy and surface finish to the castings.
8. Chemical Processing: WFA’s chemical inertness makes it suitable for use in filters and catalyst supports in the chemical industry.
9. Dental Abrasives: Used in dental care products for its abrasive properties to remove plaque and stains from teeth effectively.
10. Electronic Devices: In the electronics industry, WFA is used in the production of semiconductor substrates due to its thermal properties and electrical insulation.

White fused alumina’s broad application spectrum highlights its versatility and importance in industries requiring materials that offer high purity, durability, and effective performance under challenging conditions.