GARNET

IOGS produces the natural Almandine Garnet, "the only eco-friendly abrasive mineral in the world" with its advantages far outreaching its alternatives. Its unique grain hardness and toughness guarantee productivity & Effeciency.

PROPERTIES

IOGS Abrasive garnet is almandite variety with composition of 3FeO, Al2O3, 3SiO2

Physical Characteristics

Chemical Composition

Hardness (Mohs)  7.5 to 8 Al2O3 21.60%
Chloride  10-20 ppm (Max 25ppm) SiO2 31.00%
pH > 7  FeO 37.00%
Bulk Density 2.34 T / m3 MgO 7.40%
Specific gravity 4.1 CaO 1.84%
Melting point 12600C  TiO2  0.55%
Grain shape Sub-angular MnO 0.53%
       

Other Characteristics

Mineral Composition

Conductivity 10-15ms/m (Max 20ms/m) Garnet 97 – 99%
Radioactivity Not detectable Ilmenite < 2%
Moisture absorption Non-hydroscopic Quartz < 1%
Free Iron < 0.01%    
Copper < 0.01%    
Sulphur  < 0.01%    
Other heavy metals < 0.01%    
 

GRADES

IOGS mines are rich in high grade natural Almandine Garnet with particle size ranging from 8 to 120 mesh. IOGS produces a wide range of grades and composition suited for different jobs and profiles.

MESH MM BLASTING GRADES WATER JET GRADES
12/25 20/40 20/60 30/60 #60 #80 #100 #120
12 1.680 0-2              
16 1.190 15-30              
18 1.000 20-30              
20 0.841 25-40 1-3 0-1          
25 0.707 10-25 5-10 3-7          
30 0.595 5-15 10-20 5-10 0-1 0      
40 0.420   45-60 10-20 10-20 0-2 0    
50 0.297   5-15 50-60 45-65 40-65 5-15 0  
60 0.250     10-20 20-35 30-50 25-45 0-5 0
80 0.177     5-10 0-10 5-15 35-55 70-90 0-20
100 0.150           0-10 10-15 45-60
120 0.125             0-5 15-30
                  0-10