Yttria stabilized zirconia ball
更新时间:2021-07-03
Yttria stabilized zirconia ball

■ Application: 

The Zirconia ceramic grinding beads/ball is used as high class grinding media. Thanks to the extremely low wear loss, the zirconia based ceramic beads/ball is contamination free grinding media. Its widely used in various industries like medicine, food, cosmetics, paints, textiles, Structural Ceramics, Electronics Ceramics, Magnetic material, Metallurgy, printing and dyeing, pigment etc.

Performance Index

Item

Performance Index

Main Composition

95% ZrO2,5% Y2O3

Density

> 6.0

Hardness (HRA)

> 87

Thermal Expansion Coefficient(10-6/k)

9.6(20-400)

Elastic Modulus(GPa)

200-250

Fracture Toughness(Mpa1/2)

10

Bending Strength(Mpa)

>1150

Grain Size(um)

<0.6

Thermal Conductivity(W/m.K)

2.5

Acid-alkali Resistance Performance (Ordinary Temperature)

Excellent

■ Regular Size:

Grinding Beads: ø0.1-0.2 ø0.2-0.4 ø0.4-0.6 ø0.6-0.8 0.9-1.1 

ø1,ø2,ø3,ø5,ø7,ø10,ø12,ø15,ø20

Grinding Ball: Ball: ø30 ø40 ø50 ø55

Grinding Cylinder(mm):φ3×3,φ5×5,φ7×7,φ10×10,φ12×12

■Key Benefit:

1. Contamination free grinding media due to the extremely low wear loss

2. High grinding efficiency due to density up to 6.

3. Excellent impact strength due to the superior toughness.


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