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Spherical Alumina(5μm) (105559)
Details:

Typical Physical Data

Items

Unit

Typical value

Test Method

Particle Size Distribution

D10

μm

2.4

Layer analyzer

D50

μm

5.9

D90

μm

19.3

Specific Surface Area

m2/g

0.6

BET method

Specific Gravity

g/cm3

3.6

pycnometer method

Electrical Conductivity

μS/cm

24.3

Conductivity Meter

pH

-

6.8

pH Meter

Circularity

%

95.0

Particle Image Analyzer

Typical Chemical data

Test Items

Unit

Typical value

Test Method

Chemical Analysis

Al2O3

%

99.6

ICP

Na2O

ppm

120.0

ICP

SiO2

ppm

85.0

ICP

Fe2O3

ppm

100.0

ICP

Ionic  Impurities

Na+

ppm

35.0

Atomic Absorption Spectrometer

Cl-

ppm

1.1

Auto Electric Potential Titrator

Fe++

ppm

15.0

IC

Applications

Thermal conductivity filler used in EMC, CCL, etc.

Thermal interface material.

Ceramics, Abrasive grain, Spraying material, etc.

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