Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe
Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe
Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe
Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe
Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe
Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe
Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe
Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe
Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe
Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe
Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe
Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe
Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe

Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe

Model NO.:
CERAMIC TUBE
Price:
USD 0.50-29.20 / pieces
Delivery:
FOB
Minimum order quantity:
5 pieces
Supply Ability:
1000 pieces / Month
Country of Origin:
Tianjin
Quantity:
  • Place of Origin:CN;SHN
  • Type:Ceramic Tubes
  • Application:Refractory
  • Material:Alumina Ceramic
  • Model Number:CERAMIC TUBE
  • Brand Name:DKJL

Hot sale porous tube 99% al2o3 alumina corundum ceramic pipe

Product Description

 

 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

 

AL2O3% Composition

Density

(g/cm3)

Flexural Strength

(MPa)

Thermal Conductivity 
[w/(m.R)]

Dielectric Strength 
(KV/mm)

Working Temp.

60

3.0

205

16

10

1000°C

75

3.1

280

17

10

1250°C

80

3.3

215.7

17

10

1290°C

85

3.4

230

17

10

1350°C

92

3.6

312

18

10

1390°C

95

3.7

304

20

10

1480°C

99

3.81

340

34

10

1600°C

99.7

3.85

370

35

10

1700°C

 

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

 

Item

Unit

High corundum

Corundum

High Purity Alumina 

Chemical Composition

Al2O3 

%

99.7

99.3

85

SiO2

%

0.1

 

 

Density

g/cm3

3.95

3.88

3.2

Water absorption

%

0

0.01

0.2

Compressive Strength

Mpa

450

350

200

20Gas tightness

Torr/L.sec

10-11

10-11

10-11

High-temp.bending

mm

1700 0.2

1600 0.2

1400 0.2

High-temp. bonding

 

1700 not

1600 not

1400 not

20-1000         Expansion coefficient

mm.10-6/.m

8.6

8.2

8.2

Thermal conductivity

W/m.k

25

25

25

Breakdown voltage

KV/mm

20

20

15

High-temp. resistance

1000 MΩ

≥0.08

≥0.08

≥0.08

1300 MΩ

≥0.02

≥0.02

≥0.02

20 DC resistance

Ohm/cm

1014

1014

1014

Chill and abrupt heat

 

1550not cracking six times

1550not cracking six times

1300 not cracking thrice

Max. Service Temp.

 

1900

1800

1400

 

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 tube Application:

1.Through pipe:

 

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

 ceramic tube product pictures

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

ceramic tube package pictures2

 

Our Services

1.Timely response, 

Timely response to your inquiry, multiple choice recommendations based on your demand,quickly respond mails and provide solutions.

 

2.Free sample

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.

 

5.Professional Services

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 

 

 

 

Company Information

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.   

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FAQ

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.

 

7. What is the HS code?

The HS code is 69060000

 

8. Is there any cost for the sample?

We provide free sample but don't bear the freight

 

9. How can I contact you?

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