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Coking coal

Origin: Russia, Kuzbass
Size: 0 -100m

ANALYSIS   TYPICAL

 MINIMUM 

MAXIMUM
Proximate analysis        
Total moisture %(as received) 8.5 7 12
Ash %(as received) 8.71 8 14
Volatile %(as received) 30.26 30 36
Sulphur % (dry basis) 0.56 0.4 0.9
Net Calorific Value kcal/kg (as received) 6700 6500 7500
Size   0- 10 0 mm    
Size distribution        
+ 50.8 mm % 0,1%
- 50.8 mm + 25.4 mm % 6.0% MAX - 25.4 mm + 12.7 mm % 8.0% MAX
- 12.7 mm + 0.42 mm % 66.0% MIN - 0,42 mm % 20.0 % MAX
Free Swelling Index   8.5    
         
Ultimate analysis (dry ash free basis) Reflectance indices RO        
Carbon 85.78 Average 0.93  
Oxygen 5.96 Minimum 0.73  
Hydrogen 5.56 Minimum 1.08  
Nitrogen 2.03      
Ash Analysis:        
Silicon dioxide SiO2 % 45.44    
Aluminium Oxide Al2O3 % 23.80    
Titanium TiO2 % 0.96    
Ferric Oxide Fe2O3 % 8.50    
Calcium Oxide CaO % 8.42    
Sodium Oxide Na2O % 1.41    
Magnesium Oxide MnO % 2.63    
Potassium Oxide K2O % 1.64    
Phosphorus Oxide P2O5 % 1.12    
Sulphur SO3 % 5.64    
Temperature:        
Softening temperature   355 oС    
Max. Contraction Temperature   403 oС    
Max. Dilatation Temperature   461 oС    
Contraction   -31%    
Dilatation   +122%    
Initial softening temperature   385 oС    
Max. Fluidity temperature   432 oС    
Solidification Temperature   469 oС    
Maximum Fluidity   5910 ddpm