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Overview of 99% Al2o3 Alumina Ceramic Thermowell Tubes / Alumina Thermocouple Ceramic Sheath
99% Al2o3 Alumina Ceramic Thermowell Tubes / Alumina Thermocouple Ceramic Sheath is manufactured from 99%+ pure aluminum oxide (Al₂O₃), offering exceptional thermal stability and mechanical strength. Designed to operate in temperatures up to 1800°C, these precision-engineered tubes feature outstanding resistance to thermal shock, corrosion, and wear.
Ideal for thermocouple protection, furnace liners, semiconductor processing, and high-temperature sensor housings, our alumina tubes maintain structural integrity in the most demanding industrial and laboratory environments.
Key Features of 99% Al2o3 Alumina Ceramic Thermowell Tubes / Alumina Thermocouple Ceramic Sheath
Ultra-High Temperature Resistance – Stable performance up to 1800°C
Superior Thermal Shock Resistance – Withstands rapid temperature cycling
Excellent Chemical Inertness – Resists acids, alkalis, and molten metals
High Mechanical Strength – Exceptional hardness and wear resistance
Electrical Insulation – Ideal for electronic and semiconductor applications
Customizable Dimensions – Available in various lengths, diameters, and wall thicknesses

(99% Al2o3 Alumina Ceramic Thermowell Tubes / Alumina Thermocouple Ceramic Sheath)
Specifications of 99% Al2o3 Alumina Ceramic Thermowell Tubes / Alumina Thermocouple Ceramic Sheath
These thermowell tubes secure temperature level sensors. They are made from 99% alumina ceramic. This product provides exceptional performance. Alumina ceramic handles severe heat quite possibly. It stands up to temperatures approximately 1800 ° C (3272 ° F). This is crucial for rough commercial processes. The tubes provide superb electric insulation also. They protect against signal disturbance. This makes certain accurate temperature analyses.
Chemical resistance is an additional essential function. Alumina ceramic resists assault from most acids and alkalis. It carries out well in destructive environments. This makes televisions appropriate for chemical plants. They are likewise utilized in steel processing. The high purity alumina reduces contamination threats. This is essential in semiconductor manufacturing. It matters in pharmaceutical production as well.
Mechanical toughness is high. Televisions stand up to abrasion properly. They manage mechanical tension reliably. Their thermal shock resistance is excellent. This implies they handle rapid temperature level adjustments. Sudden home heating or cooling won’t easily split them. The product is also extremely tough. It has a Mohs solidity rating near 9. This offers outstanding wear resistance over time.
These alumina thermocouple sheaths been available in different sizes. Usual external diameters range from 3mm to 25mm. Lengths are customizable. Conventional alternatives exist. One end is normally closed. The various other end continues to be open for sensing unit insertion. Threaded or flanged placing options are available. This allows secure setup into process equipment. The smooth bore layout ensures simple sensing unit insertion and removal.

(99% Al2o3 Alumina Ceramic Thermowell Tubes / Alumina Thermocouple Ceramic Sheath)
Applications of 99% Al2o3 Alumina Ceramic Thermowell Tubes / Alumina Thermocouple Ceramic Sheath
99% Alumina Porcelain Thermowell Tubes, likewise called Alumina Thermocouple Sheaths, shield temperature sensing units. They are made from very pure aluminum oxide. This material is very hard. It deals with extremely heats well. These tubes shield thermocouples and RTDs. They work in areas where metal tubes fail.
These tubes resist extreme warm. They run accurately over 1700 ° C. This makes them excellent for furnaces and kilns. Steel plants utilize them frequently. Glass manufacturing facilities depend on them also. Ceramic production requires them. They gauge liquified steel temperatures accurately. They monitor glass melting factors safely. They track kiln firing cycles precisely.
Chemical resistance is another large advantage. Alumina ceramic disregards strong acids. It holds up against harsh alkalis. It does not react with many liquified steels. This is important in chemical handling. It matters in semiconductor production. It helps in waste incineration. Televisions remain undamaged. Sensors stay secured.
Put on resistance is superb. The difficult surface battles abrasion. Solid fragments streaming past cause little damage. This extends the tube life-span. It lowers maintenance costs. It keeps temperature level readings stable gradually.
Electrical insulation is intrinsic. Alumina does not perform electrical energy. This stops signal interference. It prevents basing issues. It makes certain exact temperature level information.
You locate these tubes in challenging places. They are submerged in molten aluminum. They rest inside concrete kilns. They endure boiler flue gases. They deal with plasma fires. They function where other products thaw or wear away. Their reliability is verified. They supply lasting sensing unit protection. Industries trust them for essential measurements. They provide performance under severe tension.
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 99% Al2o3 Alumina Ceramic Thermowell Tubes / Alumina Thermocouple Ceramic Sheath
People often ask about 99% Al2O3 alumina ceramic thermowell tubes. These are protective sheaths for temperature sensors. Here are five common questions:
What are these tubes made from?
They are made from 99% pure aluminum oxide (alumina). This material is very dense and hard. It’s a high-performance technical ceramic.
Why use alumina ceramic for thermowells?
Alumina handles extreme heat very well. It withstands temperatures over 1600°C (2912°F). It also resists chemical attack. Acids and alkalis don’t damage it easily. This makes it reliable in tough places like furnaces.
What are the main advantages?
The biggest plus is handling very high temperatures. Alumina doesn’t melt or degrade easily in heat. It also protects sensors from harsh chemicals. It provides good electrical insulation. This prevents signal problems. It’s mechanically strong too. It resists wear and abrasion.
Are there any limitations?
Yes. Alumina ceramic is very hard. This also means it can be brittle. Sudden impacts or thermal shock can crack it. Handle it carefully. Avoid big, fast temperature changes. It’s usually more expensive than metal sheaths.
How do I install and use them?
Install them carefully. Avoid dropping or hitting them hard. Make sure the sensor fits snugly inside. Support the tube properly. Don’t subject it to rapid heating or cooling. Let the temperature change slowly. Check for cracks regularly. Replace the tube if you find any damage.

(99% Al2o3 Alumina Ceramic Thermowell Tubes / Alumina Thermocouple Ceramic Sheath)
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