Alumina Ceramic Porous Tube

  • Alumina Ceramic Porous Tube
  • Alumina Ceramic Porous Tube
  • Alumina Ceramic Porous Tube
  • Alumina Ceramic Porous Tube
  • Alumina Ceramic Porous Tube
  • Alumina Ceramic Porous Tube
  • Alumina Ceramic Porous Tube
  • video
Alumina Ceramic Porous Tube
  • YUNXING
  • China Jinzhou
  • 5-30 Days
  • 5,000-10,000/month(Looking for distributors)

A. The porous alumina ceramic insulation tube has good thermal stability, insulation, temperature stability and other properties.
B. Mainly used for B-type, S-type and new tungsten rhenium thermocouple bushings.

Alumina Ceramic Porous Tube


 My factory looking for distributors


With good thermostability,insulation,temperature stability etc properties,2 bores ceramic insulators are mainl used in B-type and,S-type and new type tungsten-rhenium thermocouple sleeves.


With all the properties of 2 bores insulators,one-point two-temperature is also realizable in 4 bores ceramic insulators.


With all the properties of 2 bores insulators,one-point two-temperature is also realizable in alumina ceramic porous tube.

Industrial Ceramic

 

Product Features


▪ Alumina multi bores tube made by 99.3%-99.7% high purity alumina.


▪ Alumina ceramic porous tube max working temperature is 1800℃.


▪ The quality can pass the SGS and DIN43724/DIN43725/DIN40680.


▪ Both end open with good verticality.


Can produce the 2-10 holes, max length 1850 mm.


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Alumina ceramic performance index  (Notice of Correct in Leakeage Rate)

NO.

Property

Unit

Alumina

1

Al2O3

%

>99.3

2

SiO2

%

3

Density

g/cm3

3.88

4

Water absorption

%

0.01

5

Compressive strength

MPa

2300

6

20℃ leakage rates

TorrL/sec

>10-11=1.33322×10-12Pam3/sec

7

Twisting in high temperature

mm

0.2 allowed in 1600℃

8

Bonding in high temperature


not bonded in 1600℃

9

20—1000℃ coefficient of thermal expansion

mm.10-6/℃.m

8.2

10

Thermal conductivity

W/m.k

25

11

Electric insulation strength

KV/mm

20

12

20℃direct current

insulation resistance

Ohm/cm

1014

13

High-temperature

insulation resistance

1000℃ MΩ

≥0.08

1300℃ MΩ

≥0.02

14

Thermal shock resistance


4 times not cracked in 1550℃

15

Maximum working temperature

1800

16

Hardness

Mohs

9

17

Flexural strength

Mpa

350


Our factory

Jinzhou Yunxing Industrial Ceramics Co., Ltd. was established in 2000, mainly producing various types of tubular ceramic products and various industrial parts with alumina content above 99.3%. The factory covers an area of 4000 square meters.

The company currently has 3 1800 ° C high-temperature furnaces and 2 1400 ° C low-temperature kilns independently designed and manufactured. The molding process is mainly based on grouting molding, and has other molding process equipment such as extrusion and hot die casting.

The company has 105 employees, including one senior ceramic engineer, three engineers, six overseas sales staff, and four professional after-sales staff.

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Feedback

1. If you have any questions or questions, please contact us and we will communicate with you as soon as possible.

2. For any other satisfaction, please also feedback to us to make our service better and better.


 

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