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AC5021 Spherical Alumina Powder (Narrow Particle Size Distribution)

Catalog No. AC5021
Compositions Al2O3
Color White
Density 3.7-3.8 g/cm3
Content Al2O3 ≥99.9 %

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AC5021 Spherical Alumina Powder (Narrow Particle Size Distribution)

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Spherical Alumina Powder (Narrow Particle Size Distribution) Description

Spherical Alumina Powder (Narrow Particle Size Distribution) is produced using the high-temperature melting-sphere-jet method, followed by processes such as sieving, purification, and additional treatments to achieve its final form. Exhibiting a high spheroidization rate, optimal filling ratio, excellent thermal conductivity, and a narrow particle size distribution, this powder leverages its unique physicochemical properties. It is extensively used in epoxy molding compounds, thermal interface materials, thermal plastics, and thermal clads.

Spherical Alumina Powder (Narrow Particle Size Distribution) Specifications

Item		Unit	SSAC-5-25C	SSAC-30-75C	SSAC-70-120C
Particle Size	D10	μm	1.92	18.32	49.9
	D50	μm	5.07	32.1	75.34
	D90	μm	8.89	63.12	109.3
Specific Surface Area		m²/g	0.38	0.09	0.06
Electric Conductivity		μS/cm	2.64	3.77	5.31
pH Value		-	6.79	7.05	6.97
Moisture		%	0.03	0.03	0.02
True Density		g/cm³	3.7	3.8	3.79
Spheroidization rate		%	96	96	95
Chemical Composition	Al₂O₃	%	99.93	99.94	99.95
	SiO₂	ppm	430	340	250
	Fe₂O₃	ppm	180	150	160
	Na₂O	ppm	90	110	90
Sieved Particles		ppm	+325 Mesh (45μm) ≤100 +500 Mesh (25μm) ≤4000	+150 Mesh (100μm) ≤100 +200 Mesh (75μm) ≤3000	+120 Mesh (124μm) ≤100 +130 Mesh (110μm) ≤3000

For Specifications of other types, please click here.

Spherical Alumina Powder (Narrow Particle Size Distribution) Applications

Epoxy Molding Compounds
Thermal Interface Materials
Thermal Plastics
Thermal Clads

Spherical Alumina Powder (Narrow Particle Size Distribution) Packaging

Our Spherical Alumina Powder (Narrow Particle Size Distribution) undergoes careful handling during storage and transportation to preserve its original quality.