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ALUMINA FOR REFRACTORY MATERIALS

RA SERIES


Model No.Chemical Composition (%)

True

Density

Apparent 

Density

Grain Size +325 mesh
Original Crystal 

Features

Al2O3

≥%

SiO2≤%Fe2O3≤%

Na2O

≤%

LOI

≤%

 g/cm3≥ g/cm3≥D50(μm)＜%D50(μm)
RA1G99.50.150.040.100.153.920.701.5-2.21~1.0Fully grinding, low sodium, small primary crystal size, good particle size distribution, high activity
RA2GL99.50.150.040.100.153.940.702.3-2.71~2.3Fully grinding, low sodium, small primary crystal size, good particle size distribution, high activity
RA2G99.50.150.050.150.103.950.853.0-3.622.5-3.0Fully grinding, low sodium, small primary crystal size, reasonable particle size distribution, have certain activity
RA3GD99.5
0.080.04
0.10
0.10
3.95
0.83
4.0-5.02
4.0-4.5Grinding, low sodium, high calcination temperature, moderate primary crystal size, good fluidity, large bulk density
RA3G99.50.15
0.050.25
3.930.834.0-5.034.0-4.5Grinding, medium sodium, high calcination temperature, moderate primary crystal size, good fluidity, large bulk density
RA5G99.5
0.150.05
0.25
0.10
3.93
0.85
5.6-6.635.0-6.0Grinding, medium sodium, high calcination temperature, large primary crystal size, good fluidity, large bulk density

LARGE OUTPUT


ACTIVITY CALCINED ALUMINA


GOOD QUALITY STABILITY

α - ALUMINA


1650 ℃ HIGH TEMPERATURE CALCINATION




HIGH-END REFRACTORY MATERIALS




SPECIFICATIONS