PRODUCTS:

Calcined Aluminium Oxide

Calcined alumina, Calcined Aluminium Oxide, Al2O3

Calcined alumina is produced by high quality and high purity raw material in the rotary furnace at reasonable temperature. It has characteristic of high conversion rate, stable crystallization and low impurity content, excellent performance of high mechanical strength, stable shrinkage rate, good electrical insulation, high wear resistance and outstanding corrosion resistance.
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Application:
1. Various abrasives, abrasive tools and abrasive fillers.
2. To produce all kinds of calcined alumina fine powder for ceramic industry and refractory industry.
3. High alumina structural ceramic products
4. Electronic components, high insulating ceramic and etc.

Content	Percent	Percent	Percent	Percent	Percent
Al2O3	99.8%	99.5%	99.5%	99.5%	99.5%
SiO2	0.04%	0.05%	0.04%	0.04%	0.04%
Fe2O3	0.02%	0.03%	0.02%	0.02%	0.01%
Na2O	0.06-0.02%	0.3%	0.06-0.4%	0.4%	0.2%
Whiteness >	97	96	97	97	96
LOI	0.04%	0.08%	0.06%	0.06%	0.04%
Real Specific Gravity	3.97	3.95	3.94	3.91	3.97
α-Al2O3 >	97	95	94	90	97
Particle	0.4-0.5um	2-3um	3-5um	100-150 mesh	80-120 mesh
Residue	3%	3%	3%	3%	3%
Application	Ceramic Grade: High-temp. ceramic	Refractory Grade High-temp ,.unshaped  castable Refractory  materials	Polish and  abrasives  Grade: all  kinds polish and abrasives materials	Chemicals Grade: catalyst	Electrician filler Grade: High-temp. insulated switch castable materials.