Overview of High Purity Aluminum Oxide Alumina Small Diameter Ceramic Tube

High Purity Aluminum Oxide Alumina Small Diameter Ceramic Tube are one of the most widely used and versatile technical ceramics, prized for their excellent combination of properties. Composed primarily of aluminum oxide (Al₂O₃), they offer outstanding hardness, wear resistance, and electrical insulation, even at high temperatures. From low-purity grades for general industrial use to high-purity compositions for demanding applications, alumina ceramics provide a cost-effective and reliable solution across a vast range of industries.

Features of High Purity Aluminum Oxide Alumina Small Diameter Ceramic Tube

• High Hardness & Wear Resistance: Excellent resistance to abrasive wear, making it ideal for liners, nozzles, and guides.

• Superior Electrical Insulation: Maintains high electrical resistivity and dielectric strength, even at elevated temperatures.

• Excellent Thermal Stability: Withstands high operating temperatures and exhibits good thermal conductivity.

• High Mechanical Strength: Possesses good compressive strength and stiffness.

• Chemical Inertness: Resists corrosion from a wide range of acids, alkalis, and other harsh chemicals.

• Cost-Effectiveness: A highly versatile and economically efficient ceramic material for numerous applications.

Specification of High Purity Aluminum Oxide Alumina Small Diameter Ceramic Tube

Here’s the specification for our High Purity Aluminum Oxide small ceramic tubes. This material is also called alumina. We use only top-grade alumina powder. The purity is very high, always 99.5% or better. This high purity is key. It gives the tubes excellent performance. They handle extreme conditions well.

These tubes are very small. The inside diameter is tiny. It ranges from 0.5mm up to about 3.0mm. The outside diameter is also small. It goes from about 1.0mm up to 4.0mm. Exact sizes are available. Wall thickness is thin and precise. This suits demanding applications. They need compact, strong parts.

The material itself is very hard. It resists wear exceptionally well. It handles very high heat. Continuous use up to 1700°C is possible. Thermal shock resistance is good. Sudden temperature changes cause less cracking. Dimensional stability is excellent. The tube keeps its shape and size. This happens even under intense heat.

Electrical insulation is another major benefit. The alumina stops electricity very effectively. Even at high voltages and high temperatures, it insulates. Chemical resistance is outstanding too. Harsh acids, strong bases, and molten salts don’t damage it easily. It withstands corrosive environments. This makes it reliable long-term.

The surface finish is smooth. We achieve a fine surface quality. This is important for sensitive uses. It minimizes friction. It prevents contamination. You find these tubes in lab equipment. They are used in semiconductor processing furnaces. Sensor protection housings use them. High-temperature thermocouples need them. Precision fluid handling systems rely on them.

Applications of High Purity Aluminum Oxide Alumina Small Diameter Ceramic Tube

Company Profile

Tanki New Materials Co.Ltd. focus on the research and development, production and sales of ceramic products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2015, 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 Aerogel, Aluminum Nitride, Aluminum Oxide, Boron Carbide, Boron Nitride, Ceramic Crucible, Ceramic Fiber, Quartz Product, Refractory Material, Silicon Carbide, Silicon Nitride, ect. please feel free to contact us.

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 Purity Aluminum Oxide Alumina Small Diameter Ceramic Tube

What purity level do these tubes have?
Our tubes use 99.5% pure aluminum oxide. This high purity gives excellent chemical resistance. It also means very low contamination risk. This is vital for sensitive processes.

How hot can they get?
These small tubes handle very high temperatures. They work fine up to 1700°C (3092°F). Their thermal shock resistance is good too. Sudden temperature changes usually won’t crack them.

Do they conduct electricity?
No, they are excellent electrical insulators. Even at high temperatures, they keep insulating well. This makes them safe for electrical applications. They prevent unwanted current flow.

How smooth is the surface?
We make the surface very smooth. Fine grinding and polishing achieve this. A smooth finish means less friction. It also helps keep things clean. Particles won’t stick easily.

What sizes are available?
We focus on small diameters. Typical inside diameters start around 1mm. Outside diameters go up to roughly 10mm. Lengths vary based on your needs. Custom sizes are possible too. Just ask for your specific requirements.