Alumina ceramic tube/pipe/rod/roller
  • Product Details

Product Introduction

Alumina ceramic (also called al2o3 or aluminum oxide ceramic)  has a low thermal expansion, making it a suitable material for furnace use in the tube, crucible, and thermocouple sheath form. 

Alumina Tubes as a standard ceramic product. Alumina can take temperatures up to 1650°C, having extremely high temperature stability, chemical corrosion resistance, and high wear and abrasion resistance.

We offer an enhanced range of 99% alumina tubes.

Open and closed ends

Wide variety of sizes, cut to custom lengths

Stock items dispatched within 24 hours

Same day shipping available with express fee

Custom length tubes dispatched within 48 hours

Performance For Industrial Ceramic

 ItemUnitSteatite Ceramic95Al2O399Al2O399.7Al2O3

Physical Characteristics

Bulk densityg/cm32.
Water absorption%0000

Mechanical Characteristics

Flexural strengthMpa145320340350
Hardness VickersGpa5.712.213.514
Elastic modulusGpa120280320320
Poisson’s ratio-

Thermal Characteristics

Linear expansion coefficient(20-500 C) 10-6/ C7.
Thermal conductivityw/(m.k)2.5162428
Specific Heat*10-3J/(kg*K)0.750.780.78

Electrical Characteristics

Dielectric constant(1MHZ)-
Dielectric loss angle*10-4181550.0001
Dielectric strength*106V/m1812158.7

Application :

Widely used in lamps and lanterns, electronic appliances, blast nozzle, auto parts, wear-resistant parts of insulating material, etc


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

Product Details
Factory Pictures
Company Advantages
Philosophy:With excellent quality, firt-class service, honest business
Group:We have our own team to research, design, produce and sell.
History:We are a company combined with R&D, production and sales wholly,
Packing:Packing in export wooden cases is strictly adopted
Why us?
* Professional manufacturer since 1997.
* Strict quality control on production process and tolerance.
* Free samples available
* Customized production based on your drawing or specification
* On-time delivery and reliable support and service
* Inventory available for quick shipment
* We keep confidentiality of all the drawings and business information between us.
Are you a trading company or a manufacturer?
* We are a manufaturer. 
Can you provide the free samples?
* Yes,we can offer free sample if we have it in stock,but the courier fee is to be collected.
Do you accept customized production based our specification?
* Yes,we offer OEM and ODM service. Just send us your drawing if you have it. If you don’t have a drawing, just tell us your idea, we will work out the drawing for you.
What's the delivery time?
* 7 working days for standard products 30 days for customized product.

Basic Information
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Take advantage of our unrivaled knowledge and experience, we offer you the best customization service.

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The first thing we do is meeting with our clients and talk through their goals on a future project.
During this meeting, feel free to communicate your ideas and ask lots of questions.
    They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
    They are now widely exporting to 200 countries.

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