Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe
The main material of ceramic pipe is Aluminium Oxide( Al2O3). The purity varies from 60%-99.7%, density from 3.0-3.9g/cm3, and working temperature from 1000-1700°C. It offers a combination of superior mechanical strength and electrical properties, wear resistance and corrosion resistance.
Corundum ceramic tube features and advantage
1.Great mechanical strength
2.Low thermal conductivity
3.High heat resistance
4.High softening temperature
5.Small thermal expansion coefficient
6.Good cold-resistance heat-resistance
7.Resistance to acid and alkali corrosion
8.Long service life
corundum ceramic tube Technical Index
Thermal Conductivity [w/(m.R)]
Dielectric Strength (KV/mm)
There are 3 categories accorind to Alumina content and features: Common ceramic pipe, Al2O3<75%; High Alumina ceramic pipe, Al2O3 75%-90%; Corundum pipe:Al2O3>90%.
corundum ceramic tube physical and chemical properties
High Purity Alumina
20-1000 Expansion coefficient
20 DC resistance
Chill and abrupt heat
1550not cracking six times
1550not cracking six times
1300 not cracking thrice
Max. Service Temp.
In order to decrease cost, Al2O3 roller also can be used as ceramic pipe after cutting under certain condition , they are low cost and has accurate size.
corundum ceramic tubeApplication:
Inner liner tube and heating tube in electric furnace, heat treatment furnace and toughened furnace, chlorine pipe for production of alchlor and electric heating pipe in the tin trough in the production line of float glass.
1. Protector pipe:Protector tube of thermocouple and thermometer, carbon determinator and combustion pipe of metallurgy, iron and steel, chemical analysis.
2.Insulation pipe:Interval and insulation for wires of thermocouple. For specifications, there are single hole, double holes, four holes and multi-holes. For form, there are round and oval pipe.
pictures of corundum ceramic tube
Packaging & Shipping
Package of corundum ceramic tube: wooden case.
We also provide OEM service, the package can be designed according to your requirements.
Shipping of corundum ceramic tube: By vessel or by train from any Chinese port, Samples can be delivered by International express.
package pictures of corundum ceramic tube
Timely response to your inquiry, multiple choice recommendations based on your demand,quickly respond mails and provide solutions.
corundum ceramic tube Sample and trial order are accepted for the quality evaluation
3.Strict quality control
Arrange production on time and control quality strictly.
4.Shorter delivery time.
Book the earliest vessel or plane to guarantee the delivery time.
Provide all the detailed news and pictures from order to delivery;
Offer relative export documents and original certificate if needed;
Warm and considerable after-sale service
DKJL refractories exporting company is one of the most professional suppliers of refractories in China. Our main products are refractory and thermal insulation materials, heating elements, industrial ceramics. They are available in various sizes and shapes. Our products enjoy a good reputation for their excellent quality and service in domestic and international markets.
1.How can I get your prompt quotation for corundum ceramic tube?
we can give you reply with quotation quickly if you kindly send the inquiry with following factors: working temperature, content of AL2O3, dimension (diameter*thickness* length), application and quantity.
2.What's the MOQ of the order? No limit, we can offer the best suggestions and solutions according to your condition
3.Which payment terms can you accept? T/T,LC,Western Union,moneygram are available for us.
4. After an order is placed, when to deliver? 15-25days after confirming the order.
5. Does your company accept customization? We accept OEM service.
6. How to solve the quality problems? If the products don’t conform to customer’s samples or have quality problems, our company will be responsible to make compensation for it based on enough evidence.