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High Purity Alumina Products

High Purity Alumina Products include High Purity Alumina Granules, High Purity Alumina pellet, Alumina Crackle Crystal and Alumina Polycrystalline.

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Introduction

High Purity Alumina Products include High Purity Alumina Granules, High Purity Alumina pellet, Alumina Crackle Crystal and Alumina Polycrystalline.

Our company produces 5N high purity alumina products with the advantages of high purity and density, which are mainly used for production large size sapphire crystals by Kyropoulos method, EFG method, TGT method and Czochralski method etc.

ProductTypical Properties			5N-PD	5N-BD	5N-ACD	5N-PCD
Crystal Structure			α	α	α	α
Appearance			White Pellet	White Granules	TranslucentCrackle	Ivory-white Cylinder Crystal
Bulk Density		〔g/cm3〕	3.40	3.50	3.90	3.20
Size		〔mm〕	Dia 50*H 20	Dia 2-4	By request	By request
Purity(Al2O3)≥		〔%〕	99.999	99.999	99.999	99.999
Impurity≤ (by GDMS)	Na	〔ppm〕	2	2	1	2
	Ca	〔ppm〕	2	2	0.5	1
	Mg	〔ppm〕	1	1	0.5	0.5
	Fe	〔ppm〕	1	1	0.5	1
	Si	〔ppm〕	2	2	1	2
	Ti	〔ppm〕	1	1	0.1	0.2
	Cu	〔ppm〕	1	1	0.5	0.5
Packing (As per customer’s requests)		〔drum/〕	25kg	25kg	25kg	25kg


5N-PD	5N-BD

5N-ACD	5N-PCD

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