White / Brown Fused Alumina

Your Leading White / Brown Fused Alumina Supplier

JIANGSU LM MINING CO., LTD. was incorporated in Lianyungang city, Jiangsu Province, China since 2007. It is a mining and production company responsible for natural mineral "Garnet" . Our exporting products include Rock Garnet Abrasive, Alluvial Sea/Alluvial Garnet Abrasive, Blasting Garnet Abrasive, Waterjet Cutting Garnet, Water Filtration Garnet, Polishing Garnet and Wear-resistant Flooring Garnet. Waterjet cutting garnet is a mineral used, thanks to its characteristics, in many cleaning and sandblasting processes. Chemically inert, free of toxic substances, it is not radioactive nor carcinogenic and it is extremely resistant.

Why Choose Us?

Company Strength

We own 3 mines with a total reserve of 6 million tons of almandine ore. Our annual sales volume is 30,000 tons.

Production Market

Our ore is sold to more than 30 countries, including the United States, Canada, South Korea, Indonesia, the Middle East, Singapore, etc.

Quality Assurance

High quality is always our priority to satisfy customer's need. The finishing product meet the standard based on ISO11126 and ISO11127.

Exquisite Craftsmanship

As a specialist for garnet abrasive, we apply the gravity and magnetic concentration principle for processing by purifying, drying, steps of gravity and magnetic choosing.

Types of White / Brown Fused Alumina

Brown Fused Alumina

Brown fused alumina has shell fracture and sharp edges and corners, which can form new edges and edges in continuous grinding and grading, making its grinding ability superior to other abrassives. In particular, it has the advantages of high hardness, heavy ratio, stable chemical properties and unique self-sharpness, which become the frst choice for abrasive blasting process. At the same time, it is the ideal material for sandblasting, rust cleaning, grinding and polishing.

White Fused Alumina

White Fused Alumina is made of industrial alumina powder as raw material, which is cooled after melting at high temperature above 2000 degrees in the arc. It is crushed and shaped, removed by
magnetic separation, and divided into a variety of particle sizes. Its dense texture and high hardness are suitable for the manufacture of high-grade refractory materials

Specifications of White / Brown Fused Alumina

productcate-1096-536

Features of White / Brown Fused Alumina

High Hardness

White/brown fused alumina has a high Mohs hardness, making it very abrasive.

Chemical Resistance

It is chemically inert and resistant to acids, alkalis, and other chemicals.

Abrasion Resistance

Its high hardness and toughness make it resistant to wear and tear.

High Melting Point

It has a high melting point, which allows it to withstand extreme temperatures.

High purity

Low iron content makes it suitable for applications requiring minimal impurities.

Process for White / Brown Fused Alumina

Production process

The production of brown fused alumina involves fusing bauxite with other materials in an electric arc furnace. The process creates a high-temperature reaction that melts the bauxite and other materials together to form the abrasive material.

Raw materials used

The main raw material used in the production of brown fused alumina is bauxite, which is a mineral that is primarily composed of aluminum hydroxide. Other materials that may be used in the production process include coal, iron filings, and sawdust.

Quality control measures

To ensure the quality of brown fused alumina, a number of quality control measures are taken during the production process. These may include monitoring the temperature and pressure in the furnace, testing the chemical composition of the material, and checking the size and shape of the particles.

Applications of White / Brown Fused Alumina

Grinding Wheels
Grinding wheels are one of the most common applications of brown fused alumina. Due to its hardness, BFA is ideal for precision grinding of metals, including steel, cast iron, and non-ferrous materials. It is commonly used in the manufacturing of bonded abrasive products such as grinding discs and wheels. These products are used in industries such as automotive, aerospace, and general manufacturing, where high-speed grinding is required.

Polishing and Surface Finishing
In addition to grinding, brown fused alumina is often used for polishing and surface finishing. It can be used to smooth rough surfaces and create a polished, reflective finish on metals, plastics, and other materials. This makes it popular in industries such as jewelry making, automotive parts manufacturing, and the production of household goods like stainless steel sinks and kitchenware.

Sandblasting
Brown fused alumina is frequently used as an abrasive blasting media for cleaning, etching, and surface preparation. Its high hardness and durability make it effective at removing rust, corrosion, old paint, and other contaminants from metal surfaces. The material' s sharp edges also contribute to a high-quality finish when used in sandblasting.

Refractories
Another important use of brown fused alumina is in refractory products. Because it can withstand high temperatures, it is often used as a raw material in the production of bricks, castables, and other refractory products used in high-temperature environments such as furnaces and kilns.

Bonded Abrasives
Brown fused alumina is a key ingredient in the production of bonded abrasives, which include grinding wheels, cut-off wheels, and other abrasive tools. These tools are used across a variety of industries for shaping, cutting, and finishing metals, ceramics, and composite materials.

Certificate

productcate-1153-409

Packaging

productcate-1490-357

Transportation

productcate-925-598

FAQ

Q: What is the difference between white fused alumina and brown fused alumina?

A: White fused alumina is made from high - purity alumina, resulting in a relatively purer product with a white color. It has a higher hardness and is more suitable for fine grinding and polishing.
Brown fused alumina is produced from bauxite, which contains some impurities, giving it a brown color. It has good toughness and is often used for general - purpose grinding and blasting.

Q: What are the main applications of white fused alumina?

A: White fused alumina is widely used in the manufacturing of precision grinding wheels, abrasive belts, and polishing pads. It is also used in the semiconductor industry for wafer polishing, in the optical industry for lens grinding, and in the ceramic industry for fine - tuning the surface of ceramic products.

Q: In which industries is brown fused alumina commonly used?

A: Brown fused alumina is commonly used in the metalworking industry for grinding and polishing metal surfaces, in the foundry industry for cleaning and preparing casting molds, and in the construction industry for abrasive blasting of concrete and stone surfaces. It is also used in the production of refractory materials.

Q: What are the advantages of using fused alumina abrasives?

A: They have high hardness, which enables efficient grinding and cutting. They also have good thermal stability, which means they can maintain their performance at high temperatures. They have a relatively long service life and can be recycled, making them cost - effective and environmentally friendly.

Q: Can white and brown fused alumina be used interchangeably in some applications?

A: In some cases, they can be used interchangeably, but it depends on the specific requirements of the application. For example, in some general - purpose grinding applications, both white and brown fused alumina can be used, but if high - precision grinding and polishing are required, white fused alumina is usually the preferred choice due to its higher hardness and better particle shape.