Overview of High Quality Aluminium Oxide Al2O3 Powder 99% 99.5% Alpha Alumina for Refractory Materials

High Quality Aluminium Oxide Al2O3 Powder 99% 99.5% Alpha Alumina for Refractory Materials (α-Al₂O₃) is an advanced ceramic material with ultrafine particle sizes (20-200nm) and high purity (99.9%+). Its exceptional surface area, hardness, and thermal stability make it ideal for high-performance applications, including ceramics, coatings, catalysts, and composite materials.

Key Features of High Quality Aluminium Oxide Al2O3 Powder 99% 99.5% Alpha Alumina for Refractory Materials

Ultrafine Particle Size – 20-200nm for superior reactivity and dispersion.

High Purity (99.9%+) – Minimizes impurities for precision applications.

Excellent Thermal Stability – Withstands extreme temperatures (up to 1600°C).

Enhanced Mechanical Properties – Improves hardness, wear & corrosion resistance.

Wide Applications – Used in coatings, catalysts, electronics, and advanced ceramics.

(High Quality Aluminium Oxide Al2O3 Powder 99% 99.5% Alpha Alumina for Refractory Materials)

Specification of High Quality Aluminium Oxide Al2O3 Powder 99% 99.5% Alpha Alumina for Refractory Materials

This top quality aluminium oxide powder is Al2O3. It is really pure. We provide two major grades: 99% pureness and 99.5% purity. This pureness is critical for demanding uses. High pureness ensures constant efficiency.

The powder is generally alpha alumina. This crystal phase is secure. It deals with extreme heat very well. Alpha alumina does not transform form much when heated up. This dimensional stability is essential.

You obtain various particle sizes. Fine powders are offered. Coarser powders are offered too. Dimensions vary from micrometers (microns) to particular mesh dimensions. Usual sizes consist of 325 mesh and finer grades. The best dimension relies on your application. Bit size affects packaging density. It impacts sintering behavior also.

This alumina powder is designed for refractory products. Refractories resist intense warmth. They withstand chemical strike. They withstand wear in extreme problems. Our alumina powder is a vital ingredient. It makes refractories stronger. It makes them last longer under thermal stress and anxiety.

Use it for heater cellular linings. Use it for kiln furnishings. Use it for crucibles. Utilize it for high-temperature insulation. The powder produces strong bonds. It forms a thick structure. This structure obstructs heat properly. It additionally resists slag and molten metals.

The powder is chemically inert. It is mechanically hard. These properties are vital. They make sure the refractory does dependably. It sustains tough commercial processes. Constant top quality issues. We control the production very carefully. This ensures the powder meets stringent standards. You get a reputable product for crucial high-heat applications.

(High Quality Aluminium Oxide Al2O3 Powder 99% 99.5% Alpha Alumina for Refractory Materials)

Applications of High Quality Aluminium Oxide Al2O3 Powder 99% 99.5% Alpha Alumina for Refractory Materials

Top quality aluminium oxide powder issues for making challenging refractory products. This powder is extremely pure, either 99% or 99.5%. It is alpha alumina phase. This specific phase gives the most effective security under warm and stress. Refractory makers depend on this powder for important applications. These products face extreme conditions inside furnaces, kilns, and activators. Typical materials stop working promptly there. Alumina powder assists refractories deal with extreme warm. It permits refractories to operate securely over 1700 ° C. Temperature changes are also a huge issue. Alumina powder aids the refractory withstand cracking from thermal shock. This is vital for long devices life.

Chemical attack ruins refractories fast. Molten steels, slags, and corrosive gases are common threats. High purity alumina powder fights this. It provides excellent resistance to these chemicals. This maintains the refractory lining undamaged much longer. Put on and erosion happen constantly in extreme procedures. Alumina powder enhances the product’s hardness. This makes the refractory much more immune to abrasion. The powder provides strong bonding in the refractory matrix. This bonding produces a dense, strong framework. The framework holds its shape under heavy loads at high temperature.

Different refractory items use this alumina powder. High alumina blocks are a major example. These blocks line blast heating systems and cement kilns. They need the powder’s warm resistance and toughness. Castables and ramming blends also depend on it. These are dense, poured refractories for complex forms. Monolithic linings use them extensively. Alumina powder ensures these linings established hard and carry out well. Crucibles and tubes for melting metals need purity. Alumina powder stops contamination. It offers long life span despite having responsive thaws. Protecting firebricks benefit also. The powder assists preserve toughness even in lighter weight bricks. Overall, making use of 99% or 99.5% alpha alumina powder indicates better refractories. These refractories last longer. They stand up to higher temperature levels. They stand up to chemical damage and physical wear. This brings about much less downtime and reduced costs for industries like steel, cement, glass, and petrochemicals.

Company Profile

Alumina Technology Co., Ltd,. We focus on the research and development, production and sales of alumina products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2005, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Alumina Boat, Alumina Crucible, Alumina Dish, Alumina Foam Filter, Alumina Plate, Alumina Rod, Alumina Bar, Alumina Balls, Filter Alumina, Nano Alumina Powder, Spherical Alumina Powder, ect. please feel free to contact us.(nanotrun@yahoo.com)

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of High Quality Aluminium Oxide Al2O3 Powder 99% 99.5% Alpha Alumina for Refractory Materials

Here are 5 common questions about High Quality Aluminium Oxide (Al2O3) Powder 99%/99.5% Alpha Alumina for Refractory Materials:

What is this Al2O3 powder mainly used for? This powder is essential for making refractory materials. Refractories line furnaces, kilns, and reactors. They need to withstand extreme heat. Al2O3 powder provides that heat resistance. High purity alumina makes strong, long-lasting linings.

Why is the “Alpha” phase important? Alpha Alumina is the most stable crystal form. It has the highest density. This stability is crucial under intense heat. Alpha phase alumina won’t change structure easily. This means the refractory stays strong longer. It resists cracking and wear better.

What’s the difference between 99% and 99.5% purity? The number shows the alumina content. 99.5% purity means fewer impurities. Impurities can weaken the final product. Higher purity often means better performance. It usually means higher temperature resistance. It often improves chemical resistance too. Choose 99.5% for the most demanding applications.

How does particle size affect the refractory? Particle size controls how the powder packs together. Finer powders create denser, smoother refractory surfaces. Coarser powders might be cheaper. They might offer better permeability sometimes. The right size depends on the specific refractory process. It affects strength and thermal properties.

Is this powder safe to handle? Handle this powder carefully. It is a fine dust. Avoid breathing the dust in. Always wear proper safety gear. Use gloves and a dust mask. Wear eye protection. Work in a well-ventilated area. Keep it away from moisture. Store it in a dry place. Follow all safety guidelines.

(High Quality Aluminium Oxide Al2O3 Powder 99% 99.5% Alpha Alumina for Refractory Materials)