Overview of Wear Resistant 95% 99.5% Al2O3 Seal Ring Alumina Ceramic

Wear Resistant 95% 99.5% Al2O3 Seal Ring Alumina Ceramic is precision-engineered from 99%+ pure aluminum oxide (Al₂O₃), offering outstanding mechanical strength and thermal stability. With a maximum operating temperature of 1800°C, these rings are widely used in high-wear applications such as bearings, seals, insulators, and semiconductor processing equipment. Their exceptional hardness and corrosion resistance make them ideal for demanding industrial environments.

Key Features of Wear Resistant 95% 99.5% Al2O3 Seal Ring Alumina Ceramic

Extreme Temperature Resistance – Stable up to 1800°C with minimal thermal expansion

Superior Wear Resistance – Harder than steel, ensuring long service life

Excellent Electrical Insulation – High dielectric strength for electronic applications

Chemical Inertness – Resists acids, alkalis, and corrosive gases

Precision Machined – Tight tolerances for consistent performance in mechanical assemblies

(Wear Resistant 95% 99.5% Al2O3 Seal Ring Alumina Ceramic)

Specifications of Wear Resistant 95% 99.5% Al2O3 Seal Ring Alumina Ceramic

This wear resistant seal ring uses alumina ceramic. Alumina ceramic is known for its toughness. It handles difficult conditions well. We offer two main grades: 95% Al2O3 and 99.5% Al2O3. The numbers show the alumina purity level.

The 95% Al2O3 grade is strong. It has good density. It resists wear effectively. The 99.5% Al2O3 grade is even better. It has higher purity. This means higher density. Density is typically above 3.85 g/cm³ for 99.5%. It often reaches 3.90 g/cm³ or more. The 95% grade density is slightly lower. It is usually above 3.70 g/cm³.

Hardness is very important. Both grades are very hard. The 95% grade typically measures HRA 88 or more. The 99.5% grade is harder. It usually measures HRA 90 or higher. High hardness directly fights wear. It makes the ring last longer under friction.

These rings handle high pressure. They withstand significant crushing force. They also resist extreme heat. Continuous use up to 1500°C (2732°F) is possible. Short bursts can go even higher. Thermal shock resistance is good. Sudden temperature changes cause less cracking.

Wear resistance is the main feature. Both grades excel here. The 99.5% grade offers the absolute best performance. Its surface is very smooth after grinding. Surface roughness (Ra) can be below 0.2 micrometers. This smoothness reduces friction further. It minimizes damage to mating parts.

Chemical resistance is excellent. Alumina ceramic resists most acids and alkalis. It does not rust. It ignores many harsh chemicals. This makes it reliable in corrosive environments.

These rings fit many demanding jobs. They work well in pumps and valves. They seal compressors effectively. They perform in agitators and mixers. They are used where metal seals fail too quickly. They are chosen for long service life and reliability.

(Wear Resistant 95% 99.5% Al2O3 Seal Ring Alumina Ceramic)

Applications of Wear Resistant 95% 99.5% Al2O3 Seal Ring Alumina Ceramic

Wear resistant alumina ceramic seal rings offer outstanding performance in demanding settings. These rings contain 95% to 99.5% pure aluminum oxide (Al2O3). This high purity creates exceptional hardness. They resist abrasive wear much better than metals or polymers. This significantly extends seal life. You get less downtime and lower replacement costs.

These seal rings work perfectly inside pumps handling tough fluids. Think pumps moving slurries, abrasive particles, or corrosive chemicals. The ceramic faces endure constant friction. They maintain a tight seal far longer than softer materials. This prevents leaks and pump failure.

Valves controlling abrasive media also benefit greatly. Alumina ceramic seal rings handle the constant flow of gritty particles. They resist erosion and maintain precise shut-off. This reliability is crucial for process control systems. You avoid costly valve repairs.

Rotating machinery in tough industries uses these seals. Mining equipment, heavy machinery, and processing plants expose seals to extreme wear. Alumina ceramic rings withstand this harsh environment. They protect shafts and bearings from damage. This keeps machines running smoothly.

Chemical processing relies on inert materials. High-purity alumina ceramic won’t react with many acids, bases, and solvents. Seal rings made from it handle aggressive chemicals safely. They prevent contamination of the process fluid. They also avoid seal degradation.

High-temperature applications demand stable materials. Alumina ceramic seal rings perform well under intense heat. They maintain their shape and sealing ability. This makes them suitable for hot oil pumps and similar equipment. Thermal shock resistance prevents cracking.

These seals also excel in situations requiring electrical insulation. Alumina ceramic does not conduct electricity. This prevents stray currents from damaging equipment through the seal faces. It enhances safety in electrically active environments.

Food and pharmaceutical production needs clean, non-contaminating seals. Polished alumina ceramic surfaces meet strict hygiene standards. They resist wear from cleaning procedures. They ensure product purity over long service periods.

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 Wear Resistant 95% 99.5% Al2O3 Seal Ring Alumina Ceramic

Wear Resistant 95% 99.5% Al2O3 Seal Ring Alumina Ceramic FAQs

What is this seal ring made from?
This seal ring uses alumina ceramic. Its main ingredient is aluminum oxide (Al2O3). We offer two purity grades: 95% Al2O3 and 99.5% Al2O3. Higher purity means better performance. Both grades are very hard and resist wear exceptionally well.

Why is wear resistance important?
Seal rings face constant friction. Friction causes wear. Wear reduces part life and causes leaks. Our alumina ceramic rings are extremely hard. This hardness minimizes surface damage. They last much longer than metal or plastic seals. This saves money on replacements and downtime.

Where can I use these alumina ceramic seal rings?
Use them in tough environments. They work well in pumps and valves handling abrasive fluids. They suit chemical processing equipment. They are good for mechanical seals in dirty conditions. They handle high temperatures effectively. They resist corrosion from many chemicals.

Are these ceramic rings fragile?
Alumina ceramic is hard but brittle. It can crack under impact or stress. Handle rings carefully during installation. Avoid sharp knocks. Ensure proper installation methods. Avoid uneven pressure points. The rings are strong under compression. They resist wear far better than metals.

Can I get custom sizes or shapes?
Yes. We can make rings to your specific needs. We need your drawings or specifications. We can produce special diameters, thicknesses, or profiles. Custom shapes are possible. Tell us your application requirements. We will confirm feasibility and lead time.

(Wear Resistant 95% 99.5% Al2O3 Seal Ring Alumina Ceramic)