Clinker
    
         
        
        
        
    
    Complying with the international specifications, WNCC is producing clinker that can be used in producing all portland cement types. 
WNCC clinker chemical composition is as follows:
| Item | Min. | Max. | 
|---|
| TriCalcium Silicate Content (C3S) % | 46.00 | 58.00 | 
| Free Lime Content (Free CaO) % | 0.50 | 2.50 | 
| TriCalcium Aluminates (C3A) % | 5.00 | 9.00 | 
| Loss On Ignition (LOI) % | 0.00 | 1.50 | 
| Insoluble Residue (IR) % | 0.00 | 1.50 | 
| Magnesium Oxide (MgO) % | 0.50 | 3.00 | 
| Alkalies (Na2O Equivalent) % | 0.00 | 0.70 | 
| Sulphur TriOxide (SO3) % | 0.10 | 1.00 |