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ZTA Beads (ZrO2 toughened Al2O3ceramic beads)

ZTA Beads (ZrO2 toughened Al2O3ceramic beads)

Date:2015/12/2 22:49:08 Hits:1366
Smooth surface,good sphericity;
The ZTA beads have 20-30 times higher wear-resistance than glass beads and 3 times higher than Al2O3 beads.
Excellent price/performance ratio,this kind of beads are especially suitable for grinding and dispersing high-hardness materials.

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…….



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