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99.999% High Purity Alumina

99.995% High Purity Alumina

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99.995% High Purity Alumina

The products have high purity, a narrow particle size distribution, small primary grain size, and a high α-phase conversion rate. 99.99% high purity alumina Model RB-Y-3-6 RB-Y-3-10 RB-Y-3-20 RB-Y-3-30 Appearance white powder Element Unit Typical Valve Purity Al2O3 % ≥99.995 ≥99.995 ≥99.995 ≥99.995 Si ppm ≤10 ≤10 ≤10 ≤10 Fe ppm ≤1 ≤1 ≤1 ≤1 Na ppm ≤30 ≤30 ≤30 ≤30 Mg ppm ≤1 ≤1 ≤1 ≤1 Ca ppm ≤1 ≤1 ≤1 ≤1 Cu ppm ≤0.5 ≤0.5 ≤0.5 ≤0.5 Ti ppm ≤0.5 ≤0.5 ≤0.5 ≤0.5 Cr ppm ≤0.5 ≤0.5 ≤0.5 ≤0.5 BET m2/g 3.0~8.0 3.0~8.0 3.0~8.0 3.0~8.0 Moisture % ≤0.5 ≤0.5 ≤0.5 ≤0.5 LOI % ≤0.1 / / / D50 μm 6±1 10±2 20~25 30~35 Apparent Density g/cm3 0.5~0.8 0.5~0.8 0.5~0.8 0.5~0.8 Remark Can be customized as required. Applications: Luminescent materials, advanced ceramics, fine polishing, surface coating, etc 4N high purity alumina

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99.995% High Purity Alumina

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The products have high purity, a narrow particle size distribution, small primary grain size, and a high α-phase conversion rate.

99.99% high purity alumina

Model			RB-Y-3-6	RB-Y-3-10	RB-Y-3-20	RB-Y-3-30
Appearance			white powder
	Element	Unit	Typical Valve
Purity	Al2O3	%	≥99.995	≥99.995	≥99.995	≥99.995
	Si	ppm	≤10	≤10	≤10	≤10
	Fe	ppm	≤1	≤1	≤1	≤1
	Na	ppm	≤30	≤30	≤30	≤30
	Mg	ppm	≤1	≤1	≤1	≤1
	Ca	ppm	≤1	≤1	≤1	≤1
	Cu	ppm	≤0.5	≤0.5	≤0.5	≤0.5
	Ti	ppm	≤0.5	≤0.5	≤0.5	≤0.5
	Cr	ppm	≤0.5	≤0.5	≤0.5	≤0.5
BET		m2/g	3.0~8.0	3.0~8.0	3.0~8.0	3.0~8.0
Moisture		%	≤0.5	≤0.5	≤0.5	≤0.5
LOI		%	≤0.1	/	/	/
D50		μm	6±1	10±2	20~25	30~35
Apparent Density		g/cm3	0.5~0.8	0.5~0.8	0.5~0.8	0.5~0.8
Remark		Can be customized as required.

Applications: Luminescent materials, advanced ceramics, fine polishing, surface coating, etc 4N high purity alumina

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