alumina ceramic tube for high temper furnace


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ceramic tube, alumina ceramic tube, furnace ceramic tube, high temperature ceramic tube
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Ceramics

XIAMEN INNOVACERA ADVANCED MATERIALS CO., LTD

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Product name alumina ceramic tube for high temper furnace Certification -
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Product Information

Wear resistant/alumina  tube furnace for Machine components/innovacera

 

Keywords: alumina ceramics,  ceramic furnaces, ceramic tube, alumina tube, ceramic  high temperatures tube, ceramic sleeve, ceramic bush.

 

1. Introduction:

 

Alumina ceramic is the most mature of the engineering ceramics, offering excellent electrical insulat Good insulator/alumina tube furnace for metallurgical melting/innovacera ion properties together with high hardness and good wear resistance but relatively low strength and fracture toughness.

 

Alumina has a high melting point, high hardness,although mechanical strength is reduced at temperatures above 1000 C. Due to the relatively large coefficient of thermal expansion, thermal shock resistance is reduced.


Good chemical stability of alumina leads to high corrosion resistance. It is insoluble in water and only slightly soluble in strong acid and alkaline solutions. Testing has shown that the low chemical solubility of alumina ceramics components makes them highly resistant to chemical corrosion. This is what makes high purity alumina the material of choice for components in a wide range of industrial applications.


The alumina material is unique in that it does not expand, even at high temperatures. Components made of this material can withshand even the most abrupt temperature changes of several hundred degrees without damage.

 

These properties make aluminum titanate especially ideal for use in metallurgical melting, Components for furnaces, Thermocouple tubes, Machine components.

 

2.  Alumina ceramics features:

  

1).Excellent electrical insulation

2).High hardness

3).Relatively low strength and fracture toughness 

4).Resistance to wear and corrosive

5).Excellent thermal stability

6).Resistance to high temperatures

7).High electrical resistivity

8).Good chemical stability and resistance

9).High corrosion resistance

10).Excellent thermal shock resistance

11).High thermal insulation

12).A Low Young's modulus

 

3. Properties of Alumina Material

 

 

Properties Units Alumina(Al2O3)
Porous Mullite Al2O3 92%

Al2O3 

96%

Al2O3  99% Al2O3 99.5%
Al2O3
Mechanical Density g/cm3   2.8 3.6 3.7 3.9 3.9
Color —— —— Tan White White Ivory Ivory
Water Absorption %   0 0 0 0 0
Vickers Hardness Gpa —— 7.4 11 11.5 13 14
Flexural Strength       (20°C) Mpa 50~100 170 345 358 380 380
Compressive Strength           (20°C) Mpa 20~100 550 2200 2300 3000 3000
Thermal Thermal Conductivity   (20°C) W/m.K 3.1 3.5 16.7 24.8 25~35 25~35
Thermal Shock Resistance       (20°C) ΔT(C) —— 300 250 250 200 200
Maximum Use Temperature °C 1900 1700 1500 1600 1700 1700
Electrical Volume Resistivity       (25°C) Ω.cm —— >1014 >1014 >1014 >1014 >1014

 

 

 

 

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4. We can supply the products according to customer's drawings, samples and performance requirement. Welcome to send your inquiry for us at any time. 

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XIAMEN INNOVACERA ADVANCED MATERIALS CO., LTD

Country / Year Established
China China /
Membership
BIZ
Business type
Others

11

President
Mr. Qiu
Address
Room 615, NO.398 Jiahe RD, Huli District, Xiamen, Fujian, China 361006
Product Category
Ceramics,Electroceramics
Company introduction
As a manufacturer of technical ceramic products, Innovacera main business is producemetallization ceramics and ceramics components as customer request. Innovacera offer you a wide range of production facilities like extrusion, injection moulding, pressing and casting. Depending on product geometry and quantities, we will choose the suitable technique for your products. For the final finishing of the parts we use CNC machining centres, equipped with diamond tools in order to meet high accuracies. Ceramic materials offer unprecedented possibilities for many industries, especially when products and components with extreme material properties are required. ceramic material including Aluminium Oxide, Zirconium Oxide, Silicon Carbide, Boron Carbide, Silicon Nitride and Boron Nitride. Innovacera products widely used in Aerospace, Research, Food Processing, Fluid Handling, Scientific, Automotive, Defense, Thermal Processing, Electrical, Process Control, Textile & Wire, Pulp & Paper, Mechanical, Glass Processing, Mineral Processing as well as smaller niche markets. Our aim is to offer the ideal solution for any application. Our engineers therefore offer custom solutions that range beyond our existing product portfolio. With our well-equipped industrial development facilities, we produce innovations that can be rapidly commercially exploited.
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