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Coking coal
Origin: Russia, Kuzbass
Size: 0 -100mm

ANALYSIS   TYPICAL  MINIMUM  MAXIMUM 
Proximate analysis
Total moisture %(as received) 8.5 7 1 2
Ash % (as received) 8.71 8 1 4
Volatiles % (as received) 30.26 30 36
Sulphur % (dry basis) 0. 56 0. 4 0.9
Net Calorific Value kcal/kg (as received) 6 700 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 Maximum 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 oÑ   
Max. Contraction Temperature   403 oÑ   
Max. Dilatation Temperature   461 oÑ   
Contraction   -31%   
Dilatation   +122%   
Initial softening temperature   385 oÑ   
Max. Fluidity temperature   432 oÑ   
Solidification Temperature   469 oÑ   
Maximum Fluidity   5910 ddpm   

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