Heat Resistance Ceramic Pipe

Item

Unit

95 Al₂O₃

99 Al₂O₃

Heat Resistance

ºC

1500

1800

Bulk Density

g/cm³

3.6

3.8

Water Absorption

%

0

0

Flexural Strength

Mpa

320

360

Hardness Vickers

Gpa

12.2

15.6

Elastic Modulus

Gpa

280

370

Poisson's Ratio

-

0.22

0.23

Linear Expansion Coefficient

(20-5000ºC) 10^-6/ºC

7.1

8

Thermal Conductivity

W/(M.K)

16

32

Specific Heat

×10^-3J/(KG.K)

0.78

0.9

Dielectric Constant(1MHZ)

-

9

9.9

Dielectric Loss Angle

×10^-4

15

1

Dielectric Strength

×10⁶V/m

12

15

Alumina ceramics

Alumina Ceramic may be used in applications that require high elevated temperatures, High dielectric strength, excellent electrical resistance, wear or corrosion resistance, high temperature capability. High Electrical insulation.


 

Zirconia ceramics

Zirconia (ZrO2) is a unique advanced ceramic.

Products manufactured from zirconia powder exhibit superior mechanical properties such as high strength and flexibility.



 

Cordierite ceramics

The main chemical ingredient of cordierite ceramic is 2MgO·2Al2O3·5SiO2, main material is steatite, clay, alumina, feldspar, etc. Manufactured by normal ceramic technic, can be used for loop frame work, insulators of arc-resistance, element of composite materials, burnable nozzle of electrical insulators, etc.


Application Scenarios