Brown Fused Alumina For Refractory

- Feb 22, 2019-

Basic Info

Item:Brown Fused Alumina For Refractory

Origin: Henan,China

HS Code: 2818101000

Product Description

Brown Fused Alumina For Refractory 
Brown Fused Alumina is fusing under the high temperature of above 2250°C with high quality abrasive bauxite as raw material. It is characterized by good self-sharpening and high grinding ability. Brown Fused Alumina can produce coated and bonded abrasive tools.

Physics Index:

Formula Boiling Point 

AI2O3

Boiling Point 

3500°C

Melting Point

2000°C

Specific Gravity

3.9

Solubility in Water

Insoluble

True Density

3.97

Refractoriness Bulk

1850°C

Density

3.8g/cm3

Chemical Compositions:

PurposeSizeChemical Composition(%)Magnetic%
Al2O3Fe2O3SiO2TiO2

For Abrasive

F

4#-80

>95<0.3<1<3.0<0.05
90#-150>94<0.03
180#-240>93<0.3<1.5<3.5<0.02
P

8#-80#

>95.0<0.2<1.2

<3.0

<0.05
100#-150#>94.0<0.03
180#-220#>93.0<0.3<1.5<3.5<0.02

For Refractory

0-1,1-3,3-5,S-8>95<0.3<1<3.0
200-0,325-0>94.5<0.5<1.5<3.5

Applications:

⒈ Coated and bonded abrasive tools

⒉ Lapping and polishing processes

⒊ Sandblasting

⒋ Produceing mold of precision casting