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Spherical Alumina(70μm) (170559)
Details:

Typical Physical Data

Items

Unit

Typical value

Test Method

Particle Size Distribution

D10

μm

47.3

Layer analyzer

D50

μm

77.7

D90

μm

125.6

Specific Surface Area

m2/g

0.2

BET method

Specific Gravity

g/cm3

3.8

pycnometer method

Electrical Conductivity

μS/cm

17.0

Conductivity Meter

pH

-

7.0

pH Meter

Circularity

%

93.0

Particle Image Analyzer

Typical Chemical data

Test Items

Unit

Typical value

Test Method

Chemical Analysis

Al2O3

%

99.6

ICP

Na2O

ppm

101.0

ICP

SiO2

ppm

82.0

ICP

Fe2O3

ppm

103.0

ICP

Ionic  Impurities

Na+

ppm

45.7

Atomic Absorption Spectrometer

Cl-

ppm

1.2

Auto Electric Potential Titrator

Fe++

ppm

19.2

IC

.

Applications

Thermal conductivity filler used in EMC, CCL, etc.

Thermal interface material.

Ceramics, Abrasive grain, Spraying material, etc.

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