Tabular Alumina

Raw MaterialTabular alumina is made of high quality alumina powder ProcessingIt is a pure sintered alpha alumina material which is sintering at a very fast speed under the temperature of 1900℃ with very high density. It has approximately 200&m...

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Raw Material
Tabular alumina is made of high quality alumina powder

Processing
It is a pure sintered alpha alumina material which is sintering at a very fast speed under the temperature of 1900℃ with very high density. It has approximately 200μm with the development of adequate hexagonal plate alpha alumina crystals.
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Electron micrograph
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Advantages
1.high purity
2.excellent thermal volume stability and thermal shock resistance
3.low porosity
4.big crystal
5.high heat resistance
6.strong mechanical strength
7.high erosion resistance
8.excellent insulating properties
9.anti -acid and anti alkali corrosion

Items	Chemical composition				Physical properties
	AL₂O₃	Na₂O	SiO₂	Fe₂O₃	Bulk density	Apparent porosity	Water absorption	size
	≥%	≤%	≤%	≤%	≥g/cm3	%	%
Ball	99.3	0.4	0.12	0.04	3.55	3	1	25mm max
Grain	99.3	0.4	0.13	0.05	3.55	3	1	See below
Powder	99.1	0.4	0.15	0.07	3.5	5	1.5	See below
Package	25kg/bag; 1ton/bag; or as customers’ requirement

All range of sizes

0-3 mm	0-1 mm	0-0.5 mm	0-0.3 mm	0-0.2 mm	-45 micron	3-6 mm	2-5 mm	1-3 mm	1-2 mm	0.5-1 mm	0.2-0.6 mm
-6 mesh	-14 mesh	-28 mesh	-48 mesh	-65 mesh	-325 mesh	3-6 mesh	1/4''-8 mesh	6-14 mesh	8-14 mesh	14-28 mesh	28-48 mesh