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Our core product lineup centers on alumina ceramics, covering wear-resistant components, grinding media and refractory materials, as well as supporting industrial equipment applicable to ceramic manufacturing, mining, chemical and cement sectors.

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Alumina Powder

• High melting point, excellent hardness and mechanical strength
• High resistivity and favorable thermal conductivity
• Stable chemical performance with outstanding corrosion and wear resistance

Contact information

+86 16653308860

Email：inquiry@victoglobal.com

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PRODUCT DESCRIPTION

Product Features

• High melting point, excellent hardness and mechanical strength

• High resistivity and favorable thermal conductivity

• Stable chemical performance with outstanding corrosion and wear resistance

Application Fields

• Architectural ceramics and ceramic glaze

• High-performance refractory & structural ceramics

• Precision polishing and wear-resistant composite materials

Technical Parameters

Parameter Item	Unit	3A	3S	3N	4N
Al₂O₃	%	≥99.3	≥99.5	≥99.9	≥99.99
Na₂O	%	≤0.30	≤0.20	≤300ppm	≤30ppm
SiO₂	%	≤0.10	≤0.10	≤500ppm	≤50ppm
Fe₂O₃	%	≤0.04	≤0.02	≤200ppm	≤20ppm
LOI (Loss on Ignition)	%	≤0.20	≤0.10	≤0.10	≤0.10
Total Impurity Content	ppm	-	-	≤1000	≤100
α-Al₂O₃ Conversion Rate	%	≥93	≥93	≥95	≥98
Effective Density	g/cm³	≥3.93	≥3.93	≥3.94	≥3.95
Primary Crystal Size	μm	2.0-3.0	2.5-3.5	0.8-2.0	0.3-1.0
D50 Particle Size	μm	2.5-4.0	3.0-5.0	1.5-5.0	1.0-4.0
Specific Surface Area (BET)	m²/g	1.2-1.8	1.3-1.9	1.0-5.0	1.0-5.0
Mark: Particle size (D50) can be customized by further milling per customer's requirement.

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