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Ø   Feature

Alumina-Zirconia Powder AZ is a fine-grained abrasive developed as lapping material that requires high precision.

The particle size distribution is sharp, particle size is stable, and the shape is blocky. A uniform polished surface can be obtained by soft polishing.

 

Ø   Physical Properties and Chemical Composition

l   Raw Materialmixture of fused alumina and zirconia sand

l   Chemical NameAl2O3 + ZrO2

l   Structurebrown grain

 

Ø   Application

l   Precision lapping materials for semiconductor crystals (silicon, etc.), compound semiconductors, etc.

l   Precision lapping materials for lenses, prisms, crystals, optical glass, etc.

l   Lapping materials for metals

l   Other

 

Ø   Specification

 

Particle

Specific gravity

Chemical composition (%)

Al2O3

ZrO2

SiO2

Fe2O3

TiO2

#400~#500

≥3.90

≥25.0

≤55.0

≤25.0

≤0.5

≤2.0

#600~#1000

≥3.85

≥45.0

≤33.0

≤20.0

≤0.5

≤2.0

#1200~#4000

≥3.85

≥45.0

≤40.0

≤20.0

≤0.5

≤2.0

 

Particle

Particle size distribution (µm)

Maximum size

D3

D50

D94

#400

≤63

≤50

23.0±2.1

≥14

#500

≤53

≤43

19.0±1.6

≥12

#600

≤45

≤37

16.0±1.3

≥10

#700

≤38

≤31

13.5±1.1

≥8

#800

≤32

≤27

11.3±0.9

≥6.5

#1000

≤27

≤23

9.4±0.8

≥5

#1200

≤23

≤20

7.1±0.7

≥4

#1500

≤19

≤17

5.5±0.5

≥3

#2000

≤15

≤14

4.5±0.4

≥2

#3000

≤12

≤11

3.6±0.4

≥1.5

#4000

≤10

≤8

2.7±0.4

≥1.3

 *The above specifications may be updated, please contact us.