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Sphercial Alumina Powder for High Thermal Conductive Material

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SPHERCIAL ALUMINA POWDER FOT HIGH THERMAL CONDUCTIVE MATERIAL 


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This product is a spherical alumina powder with high globularity with high thermal conductivity, developed by high temperature melting technologies and indicates excellent characteristics for rubber and plastic filler and ceramic base material.



Character:


1. High filling density: With its large particle diameter and broad particle size distribution, realizes highdensity filling for rubber and plastic and producescompounds with low  viscosity and good fluidity. 


2. High thermal conductivity: High filling density enables production of compounds with higher thermal conductivity and higher heat dissipation rate compared to crystalline silica.   

3. Low abrasivity: Due to its Spherical shape, less-wearing of kneading machines, forming machines and dies.

 

Applications:


1. Filler for heat sink sheet, filler for heat dissipation board (MC board), heat dissipating 

grease, phase change sheet 


2. Filler for semiconductor sealing resin 

3. Silicone-based heat dissipating adhesive, filler for compound

4Ceramic filler



Specifications:


Type

D50um

S.S.A.(m2/g)

SA-05

5±1

0.60

SA-10

10±2

0.50

SA-20

20±3

0.40

SA-30

30±3

0.30

SA-40

40±5

0.20

SA-70

70+/-6

0.12


Physical Property:


Appearance

White powder

Specific Gravity (g/cm3)

3.60

Melting point ()

2050

Moisture (%)

 0.05

 ECuS/cm

 10

PH

7.0±0.5

α-Al2OCotent%

 90

Spherical particles ratio%

 95

 

Chemical Property:


Type

Chemical Composition

Al2O3% 

SiO2% 

Fe2O3% 

Na2O% 

K2O%  

MgO% 

CaO%  

SA-05

99.0

0.05

0.05

0.03

0.02

0.01

0.01

SA-10

99.0

0.05

0.05

0.03

0.02

0.01

0.01

SA-20

99.0

0.05

0.05

0.02

0.01

0.01

0.01

SA-30

99.0

0.05

0.05

0.02

0.01

0.01

0.01

SA-40

99.0

0.05

0.05

0.02

0.01

0.01

0.01

SA-70

99.0

0.05

.05

0.02

0.01

0.01

0.01


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