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ZrO2-Al2O3- SiO2 composite ceramic beads

ZrO2-Al2O3- SiO2 composite ceramic beads

Date:2015/12/2 23:06:20 Hits:1654
Smooth surface, good sphericity;
This kind of beads has excellent price/performance ratio, and has nice performance in sand mills;
Except for the ultrafine grinding and dispersing materials, it also could be used for the surface treatment of metals, such as polishing.
Typical properties of ceramics grinding beads

Type

TZP beads

ZTA beads

Zirconium silicate beads 

Composite ceramic beads 

Al2O3 ceramic beads

Major composition(%)

ZrO2:94.6%
Y2O3:S:2±0.2

ZrO2:75.7,Y2O3:4.3
Al2O3:20

ZrO2:65
SiO2:35

ZrO2:10-45, Al2O3:15-50,
SiO2:20-40

Al2O3:90-99

density(g/m3)

≥6.0

4.2

≥4.0

3.0-3.8

3.6-3.9

Packing density(g/m3)

≥3.7

≥2.5

≥2.5

1.8-2.3

2.0-2.5

Flexural strength
(MPa)

900

450

400

220-300

280-350

Mohs hardness

9

9

7-8

7-8

8-9

Wear resistance

★★★★★

★★★★

★★★★

★★★

★★★


Grinding bead size
Φ0.1, Φ0.2, Φ0.4-0.6, Φ0.6-0.8, Φ0.8-1.0, Φ1.0-1.2, Φ1.2-1.2, Φ1.4-1.6, Φ1.6-1.8, Φ1.8-2.0, Φ2.0-2.5…….
ZrO2-Al2O3- SiO2 composite ceramic beads
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