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Alumina Powder

Alumina Powder

Product Details:

  • Grade Chemical
  • Application Industrial
  • Physical Form Powder
  • Storage Room Temperature
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Alumina Powder Price And Quantity

  • 1000 Kilograms

Alumina Powder Product Specifications

  • Industrial
  • Chemical
  • Powder
  • Room Temperature

Alumina Powder Trade Information

  • 100 Kilograms Per Day
  • 1 Days

Product Description

Backed by rich professionals, we have established ourselves as a trustworthy manufacturer and supplier of an optimum quality Alumina Powder. It is used in agro fertilizer, herbicides, pesticides, corrosion resistant, heat-resistant coatings, conductive paste, material surface treatment, self-propagating high temperature composites, etc. Clients can avail this Alumina Powder from us in various packaging option at rock bottom prices.

Aluminum oxide or Alumina Powder is basically used as one of the key elements for producing aluminum. This chemical has extensive industrial applications for its exceptional hardness level, good rust and abrasion resistance properties, wear protection capacity and good conductivity level.

Applications of Alumina Powder: 


1. Due to its exceptional strength, this chemical is required to produce abrasive substances and also for the formulation of abrasion proof coating material.

2. Its high melting factor has made it suitable for producing refractory materials that can endure high temperature.

3. The inclusion of AL2O3 in glass production process helps to strengthen produced glass.

4. It is also used to develop wear proof technical or engineered ceramic for its unique stable chemical properties and good thermal attributes. 

Processing Methods


Advanced Bayer process is adopted to obtain Alumina Powder from bauxite. This processing technique involves usage of caustic soda under pressure and heat to extract alumina based minerals from bauxite. The procured minerals go through further processing steps until alumina crystals are collected from these Rotary klin is used for thermal filtration of availed alumina.

Features of Alumina Powder:


1. An excellent thermal and electrical insulator

2. Ceramic injection molding 

3. Extremely resistant to wear and corrosion

Alumina Powder Properties:


1. Chemical Composition:

Alumina powder is composed of aluminum (Al) and oxygen (O).
Its chemical formula is Al2O3.

2. Physical Form:

Alumina powder is typically a fine white or off-white powder.
It may have a crystalline structure, and the particle size can vary depending on the production method.

3. Purity:

The purity of alumina powder can vary, and high-purity grades are often used in critical applications such as electronics and ceramics.

4. Hardness:

Alumina is known for its high hardness, making it suitable for applications requiring wear resistance.

5. Melting Point:

The melting point of alumina is very high, around 2,072 degrees Celsius (3,762 degrees Fahrenheit).

6. Thermal Conductivity:

Alumina exhibits good thermal conductivity, which makes it useful in applications where heat dissipation is important.

7. Electrical Insulation:

It is an excellent electrical insulator, making it valuable in electrical and electronic applications.

8. Chemical Inertness:

Alumina is chemically inert and resistant to corrosion, which enhances its durability in various environments.

9. Abrasion Resistance:

Due to its hardness, alumina is highly resistant to abrasion, making it suitable for wear-resistant applications.

10. Dielectric Strength:

Alumina has a high dielectric strength, making it useful in electrical insulating applications.

11. Transparency:

In its transparent or translucent forms, alumina can be used in optical applications.

12. Catalytic Activity:

Certain forms of alumina can exhibit catalytic activity and are used in catalyst applications.

13. Sintering Capability:

Alumina powder can be sintered to form dense, strong ceramics, making it a key component in the production of ceramics and refractories.

14. Hygroscopicity:

Alumina is generally not hygroscopic, meaning it does not readily absorb moisture from the air.

Alumina Powder FAQ:


1. What is alumina powder?


Ans: Alumina powder, also known as aluminum oxide powder, is a compound composed of aluminum and oxygen with the chemical formula Al2O3. It is a versatile material with various industrial applications.

2. What are the common uses of alumina powder?


Ans: Alumina powder is used in a wide range of applications, including ceramics, electronics, abrasives, refractories, catalysts, and as a filler in various materials.

3. What is the purity level of alumina powder?


Ans: Purity levels can vary, but high-purity grades are often used in critical applications. Purity is typically expressed as a percentage of Al2O3 content.

4. How is alumina powder produced?


Ans: Alumina powder is commonly produced through the Bayer process, which involves extracting alumina from bauxite ore. Other methods include the thermal decomposition of aluminum hydroxide.

5. What is the particle size of alumina powder?


Ans: The particle size of alumina powder can vary depending on the manufacturing process and specific requirements. It is often available in fine powders with a range of particle sizes.

6. Can alumina powder conduct electricity?


Ans: No, alumina is an electrical insulator. It has high dielectric strength and is widely used in electrical insulating applications.

7. Is alumina powder resistant to corrosion?


Ans: Yes, alumina is chemically inert and resistant to corrosion, enhancing its durability in various environments.

8. What is the melting point of alumina?


Ans: Alumina has a very high melting point, approximately 2,072 degrees Celsius (3,762 degrees Fahrenheit).

9. Can alumina powder be sintered?


Ans: Yes, alumina powder can be sintered to form dense, strong ceramics. This property is valuable in the production of ceramics and refractories.

10. Does alumina powder have abrasive properties?


Ans: Yes, alumina is known for its hardness and abrasion resistance, making it suitable for use in abrasive applications.

11. Are there different types of alumina powder?


Ans: Yes, there are various types of alumina powder with different properties, such as calcined alumina, reactive alumina, and tabular alumina, each tailored for specific applications.

12. Is alumina powder transparent?


Ans: In its transparent or translucent forms, alumina can be used in optical applications.

13. How should alumina powder be stored?


Ans: Alumina powder is generally not hygroscopic, but it is advisable to store it in a dry place to prevent moisture absorption. Proper labeling and adherence to safety guidelines are also recommended.

14. Can alumina powder be used as a catalyst?


Ans: Yes, certain forms of alumina exhibit catalytic activity and are used in catalyst applications.

15. Are there safety considerations when handling alumina powder?


Ans: Users should follow safety guidelines provided by manufacturers. Dust inhalation should be minimized, and appropriate personal protective equipment should be used.
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