Ceramic balls of aluminum oxide (Al2O3), a wide range of applications

ceramic balls

Main Specifications

  • Type: ceramic balls
  • Size: according to customer requirements
  • Material: aluminum oxide Al2O3
  • Density: ≥3.6g / cm3
  • White color
  • Maximum operating temperature: 1600
  • Features: high mechanical strength, high dimensional accuracy
  • Samples: free

Item

Unit symbol

95% Alumina Ceramics

99% Alumina Ceramics

99.7% Alumina Ceramics

Maximum Using Temperature

1600

1700

1700

Water absorption

%

0

0

0

hardness

Gpa

85

89

89

Flexural strength

MPa (psi x 103)

336

550

550

Compressive Strength

MPa (psi x 103)

2000

2500

2500

Fracture toughness

Mpa 

4 ~ 5

5.6

6

Thermal conductivity

W / m ° K

18-25

30

30.4

Thermal shock resistance

° C

220

180-220

180-220

Dielectricity constant

 

9.4

9.8

9.8

Dielectric strength

kV / mm

16

22

22