China Calcined Alumina (FA) Series for Heat Conduction factory and suppliers

Calcined Alumina (FA) Series for Heat Conduction

Alumina has the advantages of heat conduction and insulation, and can be used as a thermally conductive filler for the preparation of thermally conductive insulating glue, potting glue and other polymer materials.

Thermally conductive alumina is a white powder crystal generated under high temperature conditions. There are many crystalline powders. The alumina used for thermal conductivity includes spherical alumina, quasi-spherical alumina, and composite alumina.

Features

1. Reasonable particle size distribution, high filling rate, low viscosity and good fluidity mixture can be obtained

2. High thermal conductivity, compared with crystalline silicon, the thermal conductivity of the mixture is high

3. Low abrasion rate: the appearance is spherical, and the abrasion of the mixer and the forming mold is small

4. The content of sodium and chlorine ion-like impurities is very small, and it has good electrical moisture resistance

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Specification

Chemical Composition (%)						Ture Density	Apparent Density	Grain Size	Original Crystal	Oil Absorption Rate	Conversion Rate	+325	Residual Boron	Features	Recommended Applications
Model No.	Al2O3 ≥%	SiO2 ≤%	Fe2O3 ≤%	Na2O ≤%	LOI ≤%	g/cm3 ≥	g/cm3 ＞	D50 (μm)	D50 (μm)	ml	≥%	＜%	＜%	Features	Recommended Applications
FA3	99.5	0.1	0.03	0.08	0.1	3.96	>0.85	~2.8	2.1-2.7	＜17	≥95	0.5	/	1. High temperature calcination 2. Deep grinding & Good flowability 3. Reasonable particle size distribution 4. Good thermo conductivity	1. It can be used to thermal conductive materials 2. It suitable for ceramic coatings etc.
FA4	99.5	0.05	0.03	0.08	0.1	3.96	>0.85	~4	3.6-4.5	13-15	≥95	0.5	0.02	1. High temperture clacination 2. Deep grinding 3. Reasonable grain size & crystal shape distribution 4. Good flowability & Good thermo conductivity
FA5	99.5	0.05	0.03	0.10	0.1	3.96	>0.85	~6	5.5-6	≤14	≥95	0.5	0.1	1. High temperature calcination 2. Deep grinding 3. Larger crystal paticle 4. Reasonable paricle distribution 5. High apparent density 6. Good flowability & good themo conductivity
FA10	99.5	0.05	0.03	0.10	0.1	3.96	>0.85	~10	8-10	/	≥95	1	0.1	1. Large crystal particle 2. Reasonable particle size distribution 3. High apparent density 4. Excellent flowability 5. Excellent thermo conductivity
FA15	99.5	0.05	0.03	0.10	0.1	3.96	>0.85	~13	10-13	/	≥95	1	0.1	1. Special production process 2. Large crystal particle 3. Good flowability 4. Good thermoconductivity