Clinker

Key Attributes.

SILICON DIOXIDE - SiO2 (%) 20 ¸ 22.5 ALUMINIUM OXIDE - Al2O3 (%) 4.5 - 6.5 IRON OXIDE – Fe2O3 (%) 3 – 4.5 CALCIUM OXIDE - CaO Min 64.5 MAGNESIUM OXIDE - MgO (%) Max 3.5 SULFURIC ANHYDRIDE - SO3 (%) Max 1 FREE LIME – Free CaO (CaOtd),% Max 1.5 (LOI) (%) Max 1,0 Insoluble Residue of clinker,(%) Max 1 Tricalcium silicate (C3S), % Min 54 Dicalcium silicate (C2S), % 12 – 20 Tricalcium aluminate (C3A), % 7 – 12 C4AF, % 7 – 12 LSF Min 92 Grain size: 0 – 5 mm Not applicable 5 – 25 mm ≥ 40% Moisture of clinker, % Max