Product description:

 

Brown Fused Alumina is fused and crystallized under the high temperature of above 2250with high quality bauxite, carbon and iron as raw material.

Our product Characterized by high purity, good crystal, strong fluidity, low coefficient of linear expansion, good corrosion-resistance and so on. COuld not burst, no pulverization and crack in using course of refractory.

 

 

 

1. Brown corundum is characterized by high purity, dense texture, large stacking density, strong self-sharpness, good toughness and extremely low magnetic content;

2. the grinding tool made of it has the advantages of sharp grinding, low heating rate, high grinding ratio and less adhesion in use;

3. the sintered abrasive tool has the characteristics of deep blue color, no network crack and no rust spot after firing.

 

Main physical properties:

 

Test items	Indicators
Mohs hardness	9.0
Bulk density	1.53-1.99g/cm3
Real density	3.6-3.9g/cm3
Melting point	22500C
the highest operating temperature	19000C

 

Chemical compositions:

 

Used for refractory, castables.
Properties/type		0-1mm, 1-3mm, 3-5mm,5-8mm		325#, 320#, 200#
		Guarantee Value	Typical Value	Guarantee Value	Typical Value
Chemical composition	AI2O3	95.0 min	96.1	92.0min	94.1
	SiO2	1.5 max	1.16	2.0max	1.56
	Fe2O3	0.5 max	0.13	0.55max	0.28
	TiO2	3.0 max	1.78	3.3max	2.25