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Niche coals

Niche coalWe can offer low ash and ultra low ash coals in the following rank ranges:

  • High volatile Bituminous A
  • Medium Volatile Bituminous
  • Low Volatile Bituminous

Ash levels from 1 - 4% are available.

Sized coals are available only with High Volatile Bituminous A coal.

 

Low Ash High Fluidity Coking Coal

Secifications

Gross Calorific Value Kcal/Kg 8,337 ADB
Total Moisture % 8 - 9 ARB
Inherent Moisture % 0.8 ADB
Volatile Matter % 32 ADB
Fixed Carbon % 65.2 ADB
Total Sulphur % <1 ADB
Ash Content % <5 ADB
Hardness Index HGI 95  
G Index   104  
Y Index mm 32  
X Index mm 30  

Giesler Fluidity

     
Inital Softening Temperature 0C 375  
Maximum Fluid Temperature 0C 444  
Solidification Temperature 0C 485  
Range 0C 110  
Maximum Fluidity DDPM 4,500 - 14,400  
Mean Max Reflectance of Vitrinite  0C 1  

Dilatation

     
Softening 0C 362  
Max Contraction 0C 394  
Max Dilitation 0C 469  
Temperature Range 0C 132  
Max Contraction % 36  
Max Dilitation % 329  
Total Dilitation % 315.4  

Petrographic Analysis

     
Vitrinite % 98.8  
Mineral Matter % 1.2  
Phosphorous % 0.005 DB
Coke Strength After Reactivity (CSR) % 60  

Mid Volatile Coking Coal (Colombia)

Specifications

Proximate Analysis      
Total Moisture % 8.5 ARB
Ash % 9.5 DB
Volatiles % 28.0 DB
Fixed Carbon % 62.5 DB
Sulphur % 0.90 DB
Na2O + K2O in Ash % 1.90 DB
Phosphorous % 0.04  
Free Swelling Index   8.0  
Hard Groves Index (HGI)   85  
Max. Fluidity ddpm 500  
Arnu Max Dilitation % +70  
Ash Fusion Temp (Red) oC 1,466  
Mean Max Reflectance   1.13  
Size   0x50