Overview of Ceramic Grade Hard Burned Calcined Aluminas

Ceramic Grade Hard Burned Calcined Aluminas is precision-engineered from 99%+ pure aluminum oxide (Al₂O₃), offering exceptional mechanical strength and thermal stability. Designed to withstand temperatures up to 1800°C, these shafts provide superior performance in demanding applications including precision machinery, chemical pumps, semiconductor equipment, and high-speed bearings.

The combination of extreme hardness (9 Mohs), low friction coefficient, and excellent corrosion resistance makes alumina ceramic shafts ideal replacements for metal components in harsh environments.

Key Features of Ceramic Grade Hard Burned Calcined Aluminas

Ultra-High Temperature Resistance – Stable operation up to 1800°C

Exceptional Wear Resistance – 5-10x longer lifespan than steel shafts

Corrosion Proof – Resistant to acids, alkalis and solvents

Lightweight – 60% lighter than steel with higher strength

Electrical Insulation – Excellent dielectric properties

Customizable – Available in various diameters, lengths and tolerances

(Ceramic Grade Hard Burned Calcined Aluminas)

Specification of Ceramic Grade Hard Burned Calcined Aluminas

Ceramic quality difficult burned calcined alumina is an unique light weight aluminum oxide powder. Suppliers make it by heating alumina hydrate to very high temperatures. This process transforms its structure. It ends up being extremely hard and secure. This alumina is important for making high-performance porcelains.

Its purity is essential. High purity implies over 99.5% Al2O3 material. Contaminations like soft drink (Na2O) are maintained extremely reduced, generally under 0.1%. Reduced soda avoids troubles throughout ceramic shooting. This powder handles well. Its bit dimension distribution is regulated. This ensures regular behavior in ceramic blends. The typical bit dimension is usually in between 1 and 5 microns. Some particles are finer, some are coarser.

Alpha phase conversion is vital. This process makes the alumina stable. Tough melted suggests it reaches near 100% alpha stage. This provides the powder high density. Its specific gravity is usually around 3.95 g/cm ³. This thick framework makes it resistant to shrinking. Ceramics made with it maintain their shape well during shooting. It sinters effectively. This implies particles bond highly under heat. The outcome is a really hard, sturdy ceramic part. It stands up to wear and high temperatures.

Hard burnt calcined alumina supplies excellent chemical resistance. It doesn’t respond easily with other products. This security is crucial in rough settings. Its high melting factor exceeds 2000 ° C. This makes it suitable for extreme warmth applications. The powder’s low porosity after sintering is essential. It creates thick, non-porous ceramic bodies. This enhances stamina and avoids leakages. Flow residential or commercial properties matter for manufacturing. This alumina powder streams efficiently. It mixes equally right into ceramic slurries and bodies. This consistency is crucial for trustworthy production.

(Ceramic Grade Hard Burned Calcined Aluminas)

Applications of Ceramic Grade Hard Burned Calcined Aluminas

Ceramic quality hard scorched calcined alumina begins as bauxite ore. This material goes through extreme heat therapy. This process removes water and transforms its crystal structure. The outcome is an extremely pure, dense, and tough alpha alumina powder. Its buildings make it important throughout demanding ceramic applications.

Refractory porcelains need to make it through extreme heat and severe problems. This alumina stands out here. It creates the backbone of kiln linings, heater blocks, and crucibles. Its high melting point and security are essential. It maintains its strength also under intense thermal stress. This protects tools and makes certain constant high-temperature procedures.

Technical porcelains require accuracy and integrity. Hard scorched calcined alumina delivers. It creates solid, wear-resistant components like seals, valves, reducing tools, and pump parts. Its solidity fights abrasion efficiently. Its chemical inertness implies it won’t respond with most compounds. This guarantees lengthy life span in difficult settings. It’s additionally vital for substrates in electronics. Its electric insulation and thermal conductivity are vital.

The rough market relies heavily on this product. Its extreme firmness makes it ideal for grinding and reducing. It forms the core of rough grains in grinding wheels, sandpaper, and reducing discs. It punctures steel, stone, and other difficult materials successfully. It provides sturdiness and regular performance for commercial tasks. Its toughness ensures unpleasant grains stay sharp much longer.

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 Ceramic Grade Hard Burned Calcined Aluminas

Ceramic Grade Hard Burned Calcined Alumina: Top 5 FAQs

What is ceramic grade hard burned calcined alumina?
It’s a special aluminum oxide powder. Manufacturers make it by heating alumina hydrate very hot. This process removes water. It makes the alumina very hard and stable. Ceramic makers use this powder. It’s key for making strong, high-quality ceramic parts.

Why are different calcination temperatures important?
The burning temperature changes the powder. Higher temperatures make the alumina harder. They also make the particles denser. This matters for the final ceramic. Harder alumina gives ceramics better wear resistance. It helps them handle heat better. You choose the temperature grade based on what your ceramic needs to do.

What are the main benefits over regular alumina?
This material has big advantages. It shrinks less during firing. This leads to more precise ceramic shapes. It makes ceramics much stronger. It improves how well they resist heat and chemicals. It also grinds easier. This saves time and energy in production.

How does particle size matter?
Particle size control is critical. Fine particles pack together tightly. This makes a denser, smoother ceramic surface. Coarser particles can leave gaps. This weakens the ceramic. Suppliers offer different particle sizes. You pick the best size for your specific ceramic product and process.

Is it safe to handle?
Handle it carefully. It’s a fine powder. Wear gloves and a dust mask. Avoid breathing the dust. Avoid skin contact. Keep it away from your eyes. Store it in a dry place. Follow the supplier’s safety sheet instructions.

(Ceramic Grade Hard Burned Calcined Aluminas)