fine ceramics
High Temperature Aluminum Oxide (Al2O3) Protective Tube for Engineering Advanced Fine Ceramics
Item Number : KM-C07
Price varies based on specs and customizations
Shipping:
Contact us to get shipping details Enjoy On-time Dispatch Guarantee.
Why Choose Us
Easy ordering process, quality products, and dedicated support for your business success.
Application
Alumina oxide CeramicsTubes are often used as sheaths or housings for thermocouples (temperature sensing devices). Is a ceramic tube mainly made of aluminum oxide (aluminum oxide). Alumina ceramics have excellent high temperature resistance, mechanical strength and chemical inertness, making them suitable for a variety of industrial applications. Alumina ceramic tubes are used to protect thermocouples from harsh environments such as extreme temperatures, corrosive gases, or abrasive substances.They feature an open design and are available in single, dual, quadruple or multi-hole configurations to accommodate different thermocouple arrangements. They offer an enclosed, single-bore design that protects sensitive thermocouple wires from harsh environments while allowing accurate temperature measurements.
- Thermocouple protection: Alumina ceramic tubes are widely used as protective sleeves for thermocouples in various industries, including metal refining, glass manufacturing, chemical processing, power generation, etc.
- Furnace and Kiln Applications: These tubes are used as components in high temperature furnaces, kilns and heating systems where they provide insulation and protect sensitive components from harsh environments.
- Semiconductor industry: Alumina ceramic tubes are used in semiconductor manufacturing processes such as chemical vapor deposition (CVD) or physical vapor deposition (PVD), where accurate temperature measurement is critical.
- Laboratory equipment: Can be used in laboratory environments for high temperature experiments, sample preparation or as protection for sensitive measuring equipment.
Detail & Parts





Technical specifications
High temperature alumina protection tube
| Ф1*Ф0.3mm (double holes) | Ф3*Ф0.7mm (double holes) | Ф2*0.4mm (four holes) |
| Ф1.5*Ф0.5mm (double hole) | Ф5*Ф1.5mm (double holes) | Ф4*Ф1mm (four holes) |
| Ф2*Ф0.5mm (double hole) | Ф5.5*Ф1.5mm (double holes) | Ф5*Ф1.2mm (four holes) |
| Ф2.5*Ф0.7mm (double holes) | Ф8*Ф2mm (double holes) | Ф8*Ф2mm (four holes) |
Alumina ceramic tube thermocouple protection tube double hole
| Ф1*0.3mm | Ф2*0.3mm | Ф3*0.7mm | Ф4*1.5mm | Ф5.5*1.5mm | Ф8*2mm |
| Ф1.2*0.3mm | Ф2*0.5mm | Ф3.5*0.8mm | Ф4.5*1.2mm | Ф6*1.8mm | Ф8*2.4mm |
| Ф1.4*0.4mm | Ф2*0.6mm | Ф3.5*1mm | Ф5*1.2mm | Ф6.5*1.8mm | Ф10*2.7mm |
| Ф1.5*0.4mm | Ф2.5*0.7mm | Ф4*1.2mm | Ф5*1.5mm | Ф6.5*2mm | Ф7*2mm |
The produce we show are available in different sizes and custom sizes are available on request.
Advantages
- High temperature resistance: Alumina ceramics can withstand extremely high temperatures, typically up to 1800°C (3272°F), which makes it suitable for applications involving high temperatures or rapid temperature changes.
- Mechanical Strength: Alumina ceramic tubes exhibit excellent mechanical properties, including high hardness, stiffness, wear resistance, and impact resistance. They can withstand thermal shock and mechanical stress commonly found in industrial environments.
- Chemical inertness: Alumina ceramics are chemically stable and resistant to most acids, alkalis and corrosive gases. This makes it ideal for protecting thermocouples in aggressive chemical environments or in processes involving strong acids or bases.
- Electrical Insulation: Alumina ceramic is an electrical insulator, which means it does not conduct electricity. This characteristic is very important when using thermocouples to measure temperature in live environments.
Trusted by Industry Leaders
FAQ
What Are Advanced Ceramics?
What Are The Main Applications Of Fine Ceramics?
What Are Engineering Ceramics?
What Are The Main Types Of Advanced Ceramics?
What Are The Main Types Of Fine Ceramics?
What Are The Main Types Of Engineering Ceramics?
What Are The Applications Of Advanced Ceramics?
What Is The Principle Behind Fine Ceramics?
What Are The Applications Of Engineering Ceramics?
How Are Advanced Ceramics Manufactured?
What Are The Advantages Of Using Fine Ceramics?
How Do Engineering Ceramics Differ From Traditional Ceramics?
What Are The Advantages Of Using Advanced Ceramics?
What Are The Advantages Of Using Alumina Ceramics?
What Is The Difference Between Alumina And Zirconia Ceramics?
Why Are Zirconia Ceramics Preferred In Certain Applications?
Why Are Silicon Carbide Ceramics Used In High-temperature Applications?
What Makes Silicon Carbide Ceramics Suitable For High-temperature Applications?
What Makes Boron Nitride Ceramics Unique?
How Are Boron Nitride Ceramics Used In Electronics?
How Do Advanced Ceramics Contribute To Energy Efficiency?
What Is The Manufacturing Process Of Engineering Ceramics?
Can Engineering Ceramics Be Customized For Specific Applications?
Product Datasheet
High Temperature Aluminum Oxide (Al2O3) Protective Tube for Engineering Advanced Fine Ceramics
REQUEST A QUOTE
Our professional team will reply to you within one business day. Please feel free to contact us!
Related Products
High Temperature Alumina (Al2O3) Furnace Tube for Engineering Advanced Fine Ceramics
High temperature alumina furnace tube combines the advantages of high hardness of alumina, good chemical inertness and steel, and has excellent wear resistance, thermal shock resistance and mechanical shock resistance.
1700℃ Laboratory High Temperature Tube Furnace with Alumina Tube
Looking for a high-temperature tube furnace? Check out our 1700℃ Tube Furnace with Alumina Tube. Perfect for research and industrial applications up to 1700C.
1400℃ Laboratory High Temperature Tube Furnace with Alumina Tube
Looking for a tube furnace for high-temperature applications? Our 1400℃ Tube Furnace with Alumina Tube is perfect for research and industrial use.
Engineering Advanced Fine Alumina Al2O3 Ceramic Rod Insulated for Industrial Applications
Insulated alumina rod is a fine ceramic material. Alumina rods have excellent electrical insulating properties, high chemical resistance and low thermal expansion.
High Temperature Wear-Resistant Alumina Al2O3 Plate for Engineering Advanced Fine Ceramics
High temperature wear-resistant insulating alumina plate has excellent insulation performance and high temperature resistance.
Engineering Advanced Fine Ceramics Alumina Crucibles (Al2O3) for Thermal Analysis TGA DTA
TGA/DTA thermal analysis vessels are made of aluminum oxide (corundum or aluminum oxide). It can withstand high temperature and is suitable for analyzing materials that require high temperature testing.
Hexagonal Boron Nitride HBN Thermocouple Protection Tube
Hexagonal boron nitride ceramics is an emerging industrial material. Because of its similar structure to graphite and many similarities in performance, it is also called "white graphite".
Engineering Advanced Fine Ceramics Alumina Al2O3 Crucible With Lid Cylindrical Laboratory Crucible
Cylindrical Crucibles Cylindrical crucibles are one of the most common crucible shapes, suitable for melting and processing a wide variety of materials, and are easy to handle and clean.
Custom-Made Alumina Zirconia Special-Shaped Ceramic Plates for Engineering Advanced Fine Ceramics Processing
Alumina ceramics have good electrical conductivity, mechanical strength and high temperature resistance, while zirconia ceramics are known for their high strength and high toughness and are widely used.
High Quality Alumina Ceramic Screw for Engineering Advanced Fine Ceramics with High Temperature Resistance and Insulation
Alumina ceramic screws are fastening components made of 99.5% alumina, ideal for extreme applications requiring excellent thermal resistance, electrical insulation and chemical resistance.
Arc-Shaped Alumina Ceramic Crucible High Temperature Resistant for Engineering Advanced Fine Ceramics
In the journey of scientific exploration and industrial production, every detail is crucial. Our arc-shaped alumina ceramic crucibles, with their excellent high temperature resistance and stable chemical properties, have become a powerful assistant in laboratories and industrial fields. They are made of high-purity alumina materials and manufactured through precision processes to ensure excellent performance in extreme environments.
Advanced Engineering Fine Ceramics Alumina Ceramic Saggar for Fine Corundum
Alumina sagger products have the characteristics of high temperature resistance, good thermal shock stability, small expansion coefficient, anti-stripping, and good anti-powdering performance.
Custom PTFE Teflon Parts Manufacturer for Centrifuge Tubes
PTFE centrifugal tubes are highly valued for their exceptional chemical resistance, thermal stability, and non-stick properties, making them indispensable in various high-demand sectors. These tubes are particularly useful in environments where exposure to corrosive substances, high temperatures, or stringent cleanliness requirements are prevalent.
Engineering Advanced Fine Alumina (Al₂O₃) Ceramic Positioning Pin Straight Bevel for Precision Applications
Alumina ceramic positioning pin has the characteristics of high hardness, wear resistance and high temperature resistance.
Engineering Advanced Fine Alumina Al2O3 Ceramic Crucible for Laboratory Muffle Furnace
Alumina ceramic crucibles are used in some materials and metal melting tools, and flat-bottomed crucibles are suitable for melting and processing larger batches of materials with better stability and uniformity.
Alumina Al2O3 Ceramic Crucible Semicircle Boat with Lid for Engineering Advanced Fine Ceramics
Crucibles are containers widely used for melting and processing various materials, and semicircular boat-shaped crucibles are suitable for special smelting and processing requirements. Their types and uses vary by material and shape.
Advanced Engineering Fine Ceramics Low Temperature Alumina Granulation Powder
Low temperature alumina granulation powder is a kind of alumina particles produced by a special low temperature process, designed to meet the needs of temperature sensitive applications. This material has excellent low temperature performance and good processing characteristics, suitable for a variety of industries that require low temperature processing and treatment.
High Purity Alumina Granulated Powder for Engineering Advanced Fine Ceramics
Ordinary alumina granulated powder is alumina particles prepared by traditional processes, with a wide range of applications and good market adaptability. This material is known for its high purity, excellent thermal stability and chemical stability, and is suitable for a variety of high-temperature and conventional applications.
Engineering Advanced Fine Ceramics Aluminum Oxide Al2O3 Heat Sink for Insulation
The hole structure of the ceramic heat sink increases the heat dissipation area in contact with the air, which greatly enhances the heat dissipation effect, and the heat dissipation effect is better than that of super copper and aluminum.
Ceramic Evaporation Boat Set Alumina Crucible for Laboratory Use
It can be used for vapor deposition of various metals and alloys. Most metals can be evaporated completely without loss. Evaporation baskets are reusable.1
Related Articles
Entropy and the Alumina Tube: The Art of Precision Maintenance
Discover the disciplined approach to cleaning alumina furnace tubes. Learn how to prevent thermal shock, remove residue with acid, and extend equipment life.
The Ceramic Paradox: Why the Best Way to Clean an Alumina Tube is Not to Clean It
Deep cleaning is often a symptom of process failure. Discover the engineering protocols to maintain alumina tubes, prevent thermal shock, and ensure longevity.
Advanced Alumina Ceramics: Applications and Manufacturing Techniques
This article discusses the applications and manufacturing techniques of advanced alumina ceramics, including molds, isostatic pressing, and green bodies.
Why Your Furnace Components Keep Failing—And the Material Science Fix
Frustrated by costly furnace failures? Discover the root cause isn't bad luck, but a material science issue that the right ceramic tube can permanently solve.
The Unseen Discipline: Mastering the Alumina Furnace Tube
Learn how proactive maintenance, not just reactive cleaning, prevents thermal shock and contamination to ensure the integrity of your lab results.
Advanced Alumina Ceramics: Applications and Manufacturing Techniques
Overview of alumina ceramics' applications and manufacturing methods, including molds, isostatic pressing, and green body formation.
Understanding Oxide Ceramics: Concepts, Classification, and Applications
This article delves into the concept, classification, and diverse applications of oxide ceramics, highlighting their significance in various high-tech fields.
Beyond the Acid Wash: A Systems Approach to Alumina Tube Longevity
Discover why proactive care, not reactive cleaning, is key to your alumina tube furnace's life. It's about managing physics and psychology.
Choosing the Right Thermocouple for Heat Treatment Processes
A guide to selecting the appropriate thermocouple for heat treatment processes based on standards and application requirements.
Preventing Sample Bonding in Aluminum Oxide Crucible Sintering
Strategies to prevent sample bonding during sintering in aluminum oxide crucibles.
The Transparency Paradox: Mastering the Art of Quartz Tube Maintenance
In high-temperature furnaces, cleanliness is physics, not just aesthetics. Discover the systematic approach to cleaning quartz tubes and the critical role of prevention.