High-purity Aluminum Oxide

Product No.	medium particle diameter(D50)	Primary component sAl2O3 SiO2		Sphericity(%)	EC µ s/m	Densityg /cm³	S.S.A ㎡/g	PH


1	1μ m	99.95%	0.01%	≥95	≤10	≥3.6	≤6	5-8
2	2μ m	99.95%	0.01%	≥95	≤10	≥3.6	≤1.5	5-8
3	5μ m	99.96%	0.01%	≥95	≤10	≥3.6	≤0.5	5-8
4	7μ m	99.97%	0.01%	≥95	≤10	≥3.6	≤0.5	5-8
5	10μ m	99.98%	0.01%	≥95	≤10	≥3.6	≤0.3	5-8
6	15μ m	99.99%	0.01%	≥95	≤10	≥3.6	≤0.3	5-8
7	20μ m	99.99%	0.01%	≥95	≤10	≥3.6	≤0.3	5-8
8	30μ m	99.99%	0.01%	≥95	≤10	≥3.6	≤0.3	5-8
9	40μ m	99.99%	0.01%	≥95	≤10	≥3.6	≤0.15	5-8
10	50μ m	99.99%	0.01%	≥95	≤10	≥3.6	≤0.15	5-8
11	70μ m	99.99%	0.01%	≥95	≤10	≥3.6	≤0.15	5-8
12	90μ m	99.99%	0.01%	≥95	≤10	≥3.6	≤0.15	5-8
13	120μ m	99.99%	0.01%	≥90	≤10	≥3.6	≤0.1	5-8
14	150μ m	99.99%	0.01%	≥90	≤10	≥3.6	≤0.08	5-8
15	200μ m	99.99%	0.01%	≥90	≤10	≥3.6	≤0.06	5-8
Above specifications customizable according to customers' requests

Performance and purpose：

Due to its unique properties such as high thermal conductivity, high sphericity, high electrical resistance, low dielectric loss, and good flowability, this product is widely used as a thermal interface material, thermal pads, thermal silicone grease, thermal potting adhesive, and thermal gel filler. It is used as heat dissipation material in various electronic communication devices, electric vehicle batteries, power charger components, LED lights, outdoor power supplies, transformers, etc. In addition, there is also a growing demand for high-purity spherical alumina powder in applications such as thermal conductive aluminum-based copper-clad laminate, thermal conductive encapsulation materials, thermal conductive engineering plastics (such as LED lampshades, electrical and electronic device casings), as well as thermal spray coatings, specialty ceramics, specialty grinding materials, etc.

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