Zirconia Ceramic ball
Characteristics:
1) Preventing material from contamination because of its extreme low wear rate.
2) High grinding efficiency.
3) Lower total costs due to the long using life.
4)Suitable for high velocity operations and wet grinding operations.
Properties of Ceramic Balls
Item |
Units |
Si3N4 |
ZrO2 |
Color |
- |
Black |
White |
Density |
g/cm3 |
≥3.20 |
5.95-6.05 |
Hardness (HV) |
Gpa |
16 |
12 |
Flexural Strength |
Mpa |
>720 |
900 |
Fracture Toughness |
Mpa.m1/2 |
6.2 |
7 |
Elasticity Modulus |
Gpa |
300 |
210 |
Coefficient of Thermal Expansion |
10-6/℃ |
3.0-3.2 |
10.3 |
Thermal Conductivity |
w/m.k |
15-20 |
2.2 |
Volume Resistivity |
Ω.cm |
>1014 |
1012 |
Max. Operating Temp. (No load) |
℃ |
1200 |
850 |
Contact: David C
Phone: 013973350908
Tel: 0086-0731-22198266
Email: sales@pwballs.com
Add: Hetang District, Zhuzhou city, Hunan province, China