Overview of Alumina bushing tube / ceramic sleeve

Alumina bushing tube / ceramic sleeve is precision-engineered from 99%+ pure aluminum oxide (Al₂O₃), offering exceptional mechanical strength and thermal stability up to 1800°C. These sleeves provide superior protection for shafts, bearings, and moving components in harsh industrial environments. With outstanding resistance to wear, corrosion, and thermal shock, they are widely used in chemical processing, power generation, and heavy machinery applications.

Key Features of Alumina bushing tube / ceramic sleeve

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

Exceptional Wear Resistance – 5x harder than steel for extended service life

Corrosion-Proof – Impervious to acids, alkalis, and solvents

Precision Tolerance – Tight dimensional control (±0.01mm) for perfect fit

Electrical Insulation – Excellent dielectric properties for electronic applications

Customizable Designs – Available in various IDs, ODs, and lengths

(Alumina bushing tube / ceramic sleeve)

Specification of Alumina bushing tube / ceramic sleeve

This alumina bushing tube, also called a ceramic sleeve, is made from high-purity alumina ceramic. It’s extremely strong and difficult. This product takes care of severe warmth well. It functions dependably as much as 1700 ° C (3092 ° F). It withstands chemical strike from many acids and alkalis. This makes it ideal for tough environments.

The tube gives outstanding electric insulation. It has really high dielectric toughness. This avoids undesirable electric existing flow. Its smooth surface area coating minimizes friction. This secures cables or components travelling through it. The material is additionally dimensionally steady. It won’t warp or change dimension much under warmth or lots.

You can get these bushings in many dimensions. Typical inside diameters range from 1mm to 50mm. Wall surface density differs based upon the dimension needed. Requirement lengths are available. Customized sizes are also possible. Tight resistances are common for specific fit. Colors are normally white or cream color. They look clean and expert.

Its main task is protecting and securing. It guides cables or rods through hot or electrically energetic areas. It separates components in furnaces, sensing units, and electric tools. It functions as a resilient bearing surface area in some applications. It guards parts from abrasion and chemical dash. This alumina bushing tube is a vital component popular commercial settings. It makes sure trustworthy procedure where other materials stop working. Industries like semiconductor production, aerospace, and energy production count on it.

(Alumina bushing tube / ceramic sleeve)

Applications of Alumina bushing tube / ceramic sleeve

Alumina bushing tubes are tough ceramic sleeves made from light weight aluminum oxide. They handle very high temperatures and challenging problems. These tubes insulate and shield things inside them. They see lots of usage in demanding markets.

Industrial furnaces require them frequently. Alumina bushings lead thermocouples and heater elements with warm heater wall surfaces. They maintain electric cables secure from the intense warm. They additionally shield sensitive sensors inside the furnace. This security is vital for precise temperature analyses and control.

Semiconductor making counts on these bushings also. They are important inside wafer handling tools. The bushings protect electrical feedthroughs in vacuum cleaner chambers. They protect against electrical shorts and contamination throughout chip production. Their pureness matters for clean semiconductor manufacturing.

Electrical systems benefit greatly. Alumina bushings shield high-voltage links. They separate power leads in transformers and switchgear. Their electric resistance is exceptional. They stop arcing and current leakages effectively. This makes electric equipment more secure and a lot more dependable.

Automotive and aerospace sensing units utilize alumina sleeves. They protect sensing units gauging exhaust gases or engine temperatures. The bushings handle resonance and thermal shock well. They make certain sensing unit signals stay exact despite harsh conditions under the hood or in flight.

Laboratory equipment typically includes alumina bushings. High-temperature stoves and logical instruments use them. They protect burner and example holders. Their chemical inertness is key. They will not respond with a lot of chemicals made use of in labs. This maintains experiments tidy and results trustworthy.

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 Alumina bushing tube / ceramic sleeve

Here are five common questions about alumina bushing tubes:

What is an alumina bushing tube? It’s a hollow ceramic cylinder. It’s made from very hard aluminum oxide material. People also call it a ceramic sleeve. Its job is to insulate and protect things. Things like wires or rods pass through its center hole. It keeps them safe from heat, electricity, and wear.

Why pick alumina for these bushings? Alumina ceramic is a top choice. It handles extreme heat very well. It stays strong even above 1000°C. It stops electricity effectively. It resists chemical damage. It doesn’t wear out easily. It keeps its shape under pressure. This makes it reliable for tough jobs.

What are the main advantages? These bushings last a long time. They withstand severe conditions other materials can’t. They insulate perfectly. This prevents electrical shorts. They protect parts from rubbing damage. This saves money by reducing replacements. They keep machinery running safely.

Where are they typically used? You find them in many industries. Electric furnaces and kilns use them a lot. They hold heating elements safely. Electronics use them for insulating parts. High-voltage equipment relies on them. Industrial machinery uses them as wear-resistant guides. Anywhere high heat or electrical insulation is critical.

How do I choose the right size? You need the inside and outside diameters correct. The inside hole must fit your wire or rod snugly. The outside must fit your mounting hole tightly. Length matters for support and insulation. Consider the temperature it will face. Confirm the electrical voltage rating. Check the chemical resistance needed. Match the specs to your exact job requirements.

(Alumina bushing tube / ceramic sleeve)