White Fused Alumina

GREAT Abrasive, a leading manufacturer, specializes in premium White Fused Alumina for abrasives, refractories, and sandblasting. Our offerings, customizable and standard, guarantee optimal performance and longevity. For superior White Fused Alumina solutions tailored to your requirements, reach out to us.

China's Premium White Fused Alumina Manufacturer

Elevate your manufacturing excellence with GREAT Abrasive – Your gateway to China’s finest White Fused Alumina

Unlock the potential of your manufacturing with GREAT Abrasive, the premier source for White Fused Alumina in China. We offer more than just standard abrasives; our Surface Coated White Fused Alumina is tailored to your specific needs, ensuring your projects benefit from the highest quality materials available.

Choose GREAT Abrasive for solutions that go beyond the ordinary. Our commitment to excellence means you receive not just exceptional abrasives, but customized support designed to propel your business forward. Elevate your manufacturing standards with our specialized offerings, and transform your projects with the industry’s best, NOW!

Standard White Fused Alumina
Surfaced Coated White Fused Alumina

Tailored White Fused Alumina for Your Unique Needs!

Leverage our expertise in abrasive technology to access White Fused Alumina, precisely tailored to fit your exact requirements in size, shape, and application. Our commitment? To deliver abrasives that perfectly align with your specific needs.

  • Bespoke Chemical Compositions

Choose your White Fused Alumina crafted in either Fixed or Tilting Furnaces, customized to enhance your operations.

  • Optimized Grit Sizes

From coarse 0-10mm grains to fine F12 to F1200 and P12 to P1200 grits, we offer a spectrum of sizes, meticulously selected to boost your performance.

  • Custom-Shaped Grains

We recognize the unique demands of cutting, grinding, and blasting. That’s why we provide specially shaped grains to ensure unmatched performance, no matter the task.

  • Advanced Heat Treatment

Elevate your abrasive efficiency with our custom coatings designed to strengthen bond strength and aesthetic appeal, tailored just for you.

  • Enhanced with Surface Coatings

Elevate your abrasive efficiency with our custom coatings designed to strengthen bond strength and aesthetic appeal, tailored just for you.

  • Customized for Use

We adjust production details based on your needs, such as incorporating a magnetic separation step as the final process for WFA intended for ceramic grinding tools.

Enhance Performance with GREAT Abrasive's White Fused Alumina

Superior Quality

Get unmatched hardness, toughness, and thermal stability. Our premium White Fused Alumina sets the performance standard.

Wide Selection

From abrasive blasting to refractories, find the exact grain size and specification you need. Perfect fit, every time.

Quality Guaranteed

Strict quality control ensures our White Fused Alumina meets your high standards, batch after batch.

Tailored for You

Need specific solutions? We customize our White Fused Alumina to suit your unique application needs.

Expert Advice

Expert Advice: Count on our experienced team for guidance on choosing and using our products to optimize performance and efficiency.

Easy Buying

Our straightforward procurement process lets you focus on your main tasks, making buying abrasives simple.

FAQ About White Fused Alumina

White Fused Alumina is a high-purity abrasive made from the fusion of alumina in an electric arc furnace, known for its hardness and strength.

WFA is purer and harder than BFA, making it more suitable for precision grinding and applications requiring a high finish.

It is widely used in surface finishing, precision grinding, refractory bricks, and as a raw material in ceramics and high-grade refractories.

Yes, WFA is excellent for abrasive blasting applications where surface cleanliness and maintaining the integrity of the material are crucial.

WFA is available in a wide range of grit sizes, from very fine powders to coarse grains, suitable for various applications.

WFA's uniform grain size and high purity level make it ideal for achieving a smooth and polished surface without contamination.

Its high purity, chemical stability, and ability to withstand high temperatures make it ideal for use in refractory linings and shapes.

WFA offers less aggression than SiC but provides superior thermal stability and a lower rate of material removal, making it ideal for applications requiring precision.

The particle size of WFA is measured using sieves and categorized into grit sizes, which are standardized across the industry to ensure consistency in application performance.

Yes, depending on the application, WFA can be recycled several times, although its effectiveness may diminish with each reuse.

Due to its high hardness and ability to maintain sharp cutting edges, WFA is preferred for grinding wheels, especially in applications requiring high precision and a smooth finish.

The quality of WFA is primarily determined by its purity, crystalline structure, and the absence of impurities, which affect its hardness and abrasive efficiency.

WFA is produced by melting high-purity alumina powder in an electric arc furnace, followed by cooling, crushing, and sizing the ingot to the desired grain size.

Yes, WFA is an inert material that does not produce hazardous substances during use, making it an environmentally friendly abrasive option.

While WFA is a safe material, adequate respiratory protection, eye wear, and skin protection should be used to avoid inhalation of dust and contact with the skin or eyes.

The color of WFA, typically white, indicates its purity. Any discoloration may suggest contamination or the presence of impurities. Particularly black spot, are especially problematic when the WFA is used in manufacturing grinding wheels, as they become more visible.

The production of WFA is energy-intensive, but it is generally considered to have a low environmental impact due to the absence of hazardous chemicals in its production and use.

WFA should be stored in a dry environment to prevent moisture absorption, which can affect its performance and handling.

Have More Questions?

We are happy to answer any questions you may have about our products and company.

How to Buy White Fused Alumina – A Complete Buyer’s Guide

White Fused Alumina is essential for various uses, from making grinding wheels to polishing and more. With different sizes and types available, choosing the right one for your needs is key.

Planning to buy White Fused Alumina from China for your projects or for selling in your local market? This guide aims to give you all the necessary information to make an informed decision. It’s your clear path to a successful purchase, ensuring you get the quality and value you need.

Table of contents

Chapter 1

What is White Fused Alumina?

White Fused Alumina (WFA) is a high-purity, synthetic mineral manufactured by the fusion of controlled quality pure grade Bayer alumina in an electric arc furnace at high temperatures. This process results in a hard and dense material that is white in color. It’s recognized for its exceptional hardness and strength, making it a premier choice in the world of abrasives.

Chapter 2

Property of White Fused Alumina

White Fused Alumina (WFA) is distinguished by its remarkable properties, making it an essential material in various industrial applications, particularly in manufacturing high-quality abrasive products. Here are the key properties of White Fused Alumina:

  • High Hardness

White Fused Alumina has a Mohs hardness of approximately 9, making it one of the hardest materials available. This exceptional hardness enables it to cut and grind other hard materials efficiently.

  • High Purity

WFA is known for its high purity level, typically containing over 99% aluminum oxide (Al2O3). This purity minimizes the risk of contamination in applications where chemical cleanliness is crucial.

  • Thermal Stability

It exhibits excellent thermal stability, making it suitable for use in high-temperature processes. Its melting point is about 2050°C, ensuring performance integrity in demanding environments.

  • Chemical Inertness

White Fused Alumina is chemically inert, meaning it does not react with acids, alkalis, or other chemicals. This property makes it ideal for applications requiring a non-reactive material.

  • Low Porosity

The material’s low porosity enhances its strength and resistance to wear, making it durable over long periods of use.

  • High Friability

Compared to other abrasives, WFA has a relatively high friability, which means it breaks down more easily under pressure. This characteristic allows for the constant exposure of fresh, sharp cutting edges during abrasive applications.

  • Excellent Electrical Insulating Properties:

Its low electrical conductivity makes it an excellent insulator, suitable for electrical and electronic applications.

White Fused Alumina’s unique properties make it ideal for a wide range of uses, from abrasive media and cutting tools to refractory linings and ceramics. Its durability, efficiency, and stability meet your business’s demand for consistent, high-quality materials, helping to overcome challenges like quality variability and operational inefficiencies.

Chapter 3

Specification of White Fused Alumina
Chemical Property (%)
Al2O3 99.45
SiO2 0.02
Fe2O3 0.05
Na2O 0.36
Physical Property
Color White
Crystal Structure α-Al2O3
Melting Point 2070℃
Microhardness 2200-2300 kg/mm2
True Density 3.98 g/cm3

Chapter 4

How is White Fused Alumina Produced?

White Fused Alumina (WFA) is produced through a meticulous process that ensures its high purity and exceptional physical properties. Here’s a concise overview of the production process, highlighting how these characteristics are pivotal in addressing your need for consistent quality and overcoming challenges like supply chain disruptions:

  • Raw Material Selection

The process starts with the selection of high-purity alumina (Al2O3). This purity is crucial for achieving the distinctive white color and the high-quality characteristics of WFA.

  • Furnace Charging and Melting

The selected alumina is then charged into an electric arc furnace. Under high temperatures (over 2000°C), the alumina melts and transforms into a liquid form. This high-temperature process is key to achieving the material’s excellent thermal stability.

  • Cooling and Solidification

After melting, the liquid alumina is cooled and solidified. This controlled cooling process is essential for forming the crystalline structure that contributes to WFA’s high hardness.

  • Crushing and Sizing

The solidified mass is then crushed into smaller pieces and graded into different sizes. This step ensures the material meets the specific granularity requirements for various applications, addressing the need for precision in abrasive products.

  • Magnetic Separation and Cleaning

To achieve its high purity, any metallic impurities are removed through magnetic separation. The material is also cleaned to eliminate any remaining dust or impurities, ensuring the consistency and quality of the final product.

  • Packaging

Finally, the processed WFA is packaged for shipping. This packaging is carefully managed to prevent contamination and ensure the product reaches you in pristine condition, ready for use in high-precision manufacturing processes.

The production of White Fused Alumina is a testament to the commitment to quality and consistency, directly addressing the challenges you face in maintaining product quality and navigating supply chain complexities. By incorporating WFA into your products, you’re choosing a material that enhances your manufacturing efficiency and elevates the quality of your finished goods.

Chapter 5

What is White Fused Alumina Used For?

White Fused Alumina (WFA) is a versatile material that finds application across a broad spectrum of industries, thanks to its superior hardness, thermal stability, and purity. Its use in your operations could address critical challenges like quality fluctuations and enhance the efficiency and quality of your products. Here are some of the primary applications of WFA:

Grinding and Cutting Tools

WFA’s exceptional hardness and thermal stability make it ideal for creating high-precision grinding wheels and cutting tools, providing a clean and precise finish.

Coated Abrasives

Used in sandpapers and surface conditioning materials, WFA is preferred for applications requiring a smooth finish and durability.

Blasting Media

Its hardness and purity make it suitable for surface preparation, cleaning, and finishing tasks, ensuring a contaminant-free surface.


White Fused Alumina (WFA) is prized for its critical role in enhancing the durability and performance of furnace, kiln, and reactor linings, as well as in ceramic production, thanks to its superior thermal stability, shock resistance, and ability to withstand wear and chemical corrosion at high temperatures.

Advanced Ceramics

Leveraging its thermal properties and purity, WFA is used in the manufacture of ceramic components for electrical insulators, wear-resistant parts, and other specialized applications.

Surface Polishing and Lapping

White Fused Alumina (WFA) is employed in surface preparation and finishing, notably in the polishing of high-value items and precision instruments, and lapping of metals and ceramics, due to its fine grades that deliver a high-quality finish and a smooth, uniform surface.


White Fused Alumina (WFA) is integral to flooring solutions, serving as a key component in wear-resistant sand flooring and laminate flooring’s top wear layer, where its exceptional hardness and durability fortify the floor’s longevity, abrasion resistance, and defense against scratches, wear, and tear, preserving both function and aesthetic appeal.

Incorporating WFA into your manufacturing processes signifies a commitment to quality, addressing the pain points of quality fluctuations and delivery delays. Its wide range of applications makes it a critical component in enhancing product durability, performance, and finish, directly contributing to the efficiency and reliability of your operations.

Chapter 6

White Fused Alumina (WFA) and Brown Fused Alumina (BFA) are both aluminum oxide abrasives, essential in various industries for their abrasive and refractory capabilities. Despite their similarities, their differences significantly influence their application suitability. Recognizing these distinctions is key to selecting the appropriate abrasive, optimizing your production efficiency, and product quality, and tackling challenges like quality variability and supply chain delays.

Item White Fused Alumina (WFA) Brown Fused Alumina (BFA)
Color White, indicating high purity Brown, due to the presence of titanium oxide and other impurities
Purity Over 99% aluminum oxide Lower purity of aluminum oxide
Hardness Slightly higher, ideal for precision grinding Slightly less, with greater toughness
Thermal Stability Excellent, suitable for high-temperature uses Good, but less than WFA
Cost Generally more expensive. More cost-effective.
Applications High-precision grinding, surface preparation for coating, high-grade refractories Abrasive blasting, metal preparation, foundry coatings, refractory materials

Selecting between WFA and BFA hinges on your application’s needs, such as the required surface finish, the material to be processed, and budget. WFA, with its superior purity and thermal stability, is ideal for precise, high-temperature tasks requiring a clean finish. Meanwhile, BFA, being tough and cost-effective, suits heavy-duty grinding, abrasive blasting, and situations where impurities are less of a concern.

White Fused Alumina vs. Brown Fused Alumina

Chapter 7

Key Considerations When Buying White Fused Alumina

When purchasing White Fused Alumina (WFA), it’s crucial to consider several key factors that ensure you get the best quality material suited for your specific applications. These considerations will help you navigate the complexities of quality, supply chain stability, and cost management, directly addressing the pain points such as quality fluctuations, delivery delays, and price volatility. Here are the key considerations:

Purity and Composition:

Check the purity level and chemical composition of the Zirconia Fused Alumina to ensure it meets your application’s requirements. The presence of certain impurities or variations in composition can significantly affect performance.

Grain Size and Distribution:

The grain size and its distribution (Particle Size Distribution, PSD) are crucial for the performance of abrasive tools. Different applications require different grain sizes, from coarse grains for heavy-duty grinding to fine grains for precision finishing.

Toughness and Hardness:

The toughness and hardness of the material determine its durability and cutting efficiency. Ensure these properties align with your application needs to prevent premature wear or failure.

Thermal Stability:

For applications involving high temperatures, such as refractory materials or investment casting, the thermal stability of Zirconia Fused Alumina is a vital consideration.

Bulk Density:

This affects the material’s performance in abrasive applications. A higher bulk density can indicate a more durable abrasive, which is essential for certain grinding or blasting operations.

Quality Control and Standards:

Ensure the supplier adheres to strict quality control measures and international standards. Consistency in quality is vital for predictable performance and product reliability.

Supplier's Reputation and Experience:

A supplier with a proven track record and experience in producing Zirconia Fused Alumina is more likely to provide high-quality materials and valuable technical support.

Regulatory Compliance:

Verify that the Zirconia Fused Alumina meets all relevant environmental and safety regulations, especially if you’re operating in or supplying to markets with strict regulatory standards.


While not compromising on quality, consider the total cost of ownership, including the price per unit, shipping, and potential for volume discounts. A slightly higher upfront cost for a superior product can result in lower overall expenses due to longer lifespan and reduced downtime.

Customization and Technical Support:

If your application requires specific characteristics, check if the supplier offers customization options and technical support to help you achieve optimal results with their product.

By carefully considering these factors, you can select a White Fused Alumina product that best suits your needs, contributing to the success and efficiency of your operations.

Chapter 8

White Fused Alumina Packaging and Transportation Tips

Purchasing White Fused Alumina necessitates careful packaging and transportation to maintain its quality. Here are streamlined tips for effectively handling White Fused Alumina:

Packaging Tips
  • Moisture Barrier: Choose materials with excellent moisture resistance. Moisture-proof films or sealed bags are essential.
  • Durability: Select strong, durable packaging to endure transportation pressures.
  • Size Appropriateness: Ensure packaging is correctly sized for the volume, optimizing protection and efficiency.
  • Pallet Corner Smoothing: Smooth pallet corners to prevent packaging damage.
  • Strapping Protection: Use protective boards under straps to avoid bag damage.
Transportation Tips
  • Container Organization: Arrange packages neatly in containers to prevent damage.
  • Transit Protection: Secure goods well for factory-to-port transit, protecting against road hazards.
  • Mixed Loading Care: When combining pallets and bulk bags, use cushioning to reduce movement and prevent damage.
  • Weather Prep: In humid or rainy weather, increase packaging’s moisture protection and consider container desiccants.

Efficient packaging and transportation are critical for preserving White Fused Alumina quality. By focusing on moisture prevention, packaging integrity, and careful transit handling, you can ensure your White Fused Alumina arrives in excellent condition. Partnering with a supplier knowledgeable in these areas is key to minimizing transit risks and maintaining product standards.

Chapter 9

In Summary

Choosing the right White Fused Alumina (WFA) is critical for achieving outstanding performance in a wide range of grinding and polishing tasks, from high-precision manufacturing to robust processing. The diverse selection might seem intimidating, especially for newcomers.

Welcome to Great Abrasive, your trusted partner and leader in the supply of White Fused Alumina abrasives. Our commitment to unparalleled quality means we offer exceptional White Fused Alumina products, designed to meet all your abrasive needs. With over thirty years in the abrasive industry, Great Abrasive has the expertise to streamline your selection process, offering custom solutions for your unique challenges.

Engage with Great Abrasive for premium White Fused Alumina, and let us guide you through the specifics of abrasive technology, ensuring your projects achieve the best surface treatment results.

Elevate Your Precision with Our White Fused Alumina!

Experience the purity and precision of White Fused Alumina from GREAT Abrasive, designed to meet your exacting standards. Perfect for applications requiring a clean, contaminant-free surface, our product guarantees exceptional performance in precision grinding and polishing.

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