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XTL sintyron high precision hollow alumina ceramic tube for furnace


Alumina ceramic tubes are a durable and reliable choice for furnace applications, offering high thermal conductivity, excellent corrosion resistance, and efficient heat transfer. With their superior performance and longevity, these tubes are essential components in a wide range of industrial furnaces.

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XTL sintyron high precision hollow alumina ceramic tube for furnace

The alumina ceramic tube for furnace is a cylindrical structure with a smooth surface and high mechanical strength. It is available in various sizes and lengths to fit different types of furnaces. The tube is typically placed inside the furnace chamber to protect the heating elements from direct contact with the materials being processed.


We can do OEM and OBM according to your drawing and requires​:​​​​​​

Product description:

One of the key advantages of alumina ceramic tubes is their excellent thermal conductivity, which allows for efficient heat transfer within the furnace chamber. This helps to maintain uniform temperatures throughout the furnace and ensures consistent heating of the materials being processed. Additionally, alumina ceramic tubes have a high resistance to thermal shock, making them ideal for use in high-temperature applications.

Another important feature of alumina ceramic tubes is their exceptional corrosion resistance. They can withstand exposure to harsh chemicals and gases at high temperatures without deteriorating or degrading. This makes them an ideal choice for processing corrosive materials or operating in aggressive environments.

In addition to their thermal and chemical properties, alumina ceramic tubes also offer excellent electrical insulation properties. This helps to prevent short circuits and electrical malfunctions within the furnace, ensuring safe and reliable operation.

Alumina tubes are made of alumina (Al2O3) ceramics. As a fine ceramic material, alumina is widely used in many industries. Alumina tubes have excellent electrical insulation, high chemical resistance and low thermal expansion, and these ceramic tubes are widely used in industrial ovens and machines. High purity alumina materials are ideal for the manufacture of alumina components for CVD, ion implantation, lithography and semiconductor manufacturing.

Specification :

ceramic alumina tube , alumina content 95% - 99.7%,White or Ivory ,Wear-resisting and acidproof alkali corrosion , High temperature (1600-1700 degree centigrade). Good chemical stability,high insulation, strong adsorption capacity, is a nice electrical insulation and wear-resisting material.

Composition AL95 AL99
AL2O3 Content 97% 99.80%
Color White Ivory
Tensile 30 Kpsi 32 Kpsi
Flexural 55 Kpsi 60 Kpsi
Compressive 300 Kpsi 330 Kpsi
Density 3.7 g/cc 3.92 g/cc
Hardness 13.8 HV, Gpa 18 HV, Gpa
Thermal Conductivity 25 W/(m K) 32 W/(m K)
C.O.T.E. 77 In / In°C (x10^7) 78 In / In°C (x10^7)
Working Temperature 1500 °C 1750 °C
Dielectric Constant 9.5 9.8
Volume Resistivity >10^14 Ohm-cm >10^15 Ohm-cm
Dielectric Strength 16 KV/mm 20 KV/mm

The main molding methods of alumina ceramic products are: dry pressing, isostatic pressing, injection molding and casting, different product shapes, sizes, complex modeling and precision products need different molding methods. Alumina ceramic products sintered at high temperature can only be processed using diamond grinding process.
Feature of alumina ceramic tubes:
1.High hardness
2.high wear resistance
3.corrosion resistance
4.high temperature resistance
5.corrosion resistance and bioinertness

Application of alumina ceramic tubes:
1. Parts for manufacturing CVD, ion implantation, lithography and semiconductor parts.
2. In traditional industries, alumina ceramics are the ideal choice for products such as spray tubes, gas nozzles and insulators.
3. It is used as a material in industrial furnaces because of its ability to maintain hardness at high temperatures.
4. Used as a high temperature thermocouple protector, 5. Due to its high corrosion resistance, used as a material in the chemical industry.

Advantages of alumina ceramic tubes:
Compared to metals and polymers, alumina tubes are preferred in extreme conditions. Its general characteristics and durability make it an important part of products that require durability but require low maintenance. This long-lasting quality makes it the first choice for producing long life products.
Other forms of piping made of various polymers or metals may need to be cleaned or replaced frequently. Once the alumina ceramic tubes are installed, they are guaranteed to last for many years. The chemical resistance and non-conductivity of alumina tubes make them perfect protectants and insulators.

Company Information:

In Stock Thermal Analysis High Purity Alumina Ceramic Crucible

In Stock Thermal Analysis High Purity Alumina Ceramic Crucible

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