Cement and Clinker

Cement is a basic construction material which plays an important role in all development projects.

Lafttiz exports cement and clinker from Iran to markets of Spain, Egypt and other countries of the middle east.

Cement and Clinker
  Specifications of Portland clinker
Chemical Composition Results %wt
Silicon Dioxide (Sio2) 21.64
Aluminum Oxide (Al2O3) 5.00
Ferric Oxide (Fe2O3) 3.71
Calcium Oxide (CaO) 64.74
Magnesium Oxide (MgO) 1.79
Potassium Oxide (K2O) 0.60
Sodium Oxide (Na2O) 0.35
Sulfur Trioxide (SO3) 1.84
Lime Saturation Factor(L.S.F) 93.90
Silica Modulus (Si.M) 2.48
Aluminum Modulus (Al.M) 1.35
Loss On Ignition (L.O.I) 0.25
Insoluble Residue (I.R.) 0.10
Free Lime (Free CAO) (F.CAO) 1.30
Litric Weight (Lit/Kg) 1300
Phase Compsition Results %wt
Tricalcium Siliacte (C3S) 54.88
Dicalcuim Silicate (C2S) 20.64
Tricalcium Aluminate (C3A) 7.00
Tricalcium Alumino Ferrice (C4AF) 11.56

 

  Specifications of Portland cement
Chemical Composition Results %wt
Silicon Dioxide (Sio2) 21.70
Aluminum Oxide (Al2O3) 4.96
Ferric Oxide (Fe2O3) 3.82
Calcium Oxide (CaO) 63.92
Magnesium Oxide (MgO) 1.82
Potassium Oxide (K2O) 0.78
Sodium Oxide (Na2O) 0.48
Sulfur Trioxide (SO3) 2.40
Lime Saturation Factor (L.S.F) 91.00
Chlorides 0.15
Loss On Ignition (L.O.I) 0.50
Free Lime (Free CAO)(F.CAO) 1.50
Tricalcium Siliacte (C3S) 49.03
Dicalcuim Silicate (C2s) 24.55
Tricalcium Aluminate (C3A) 6.69
Tricalcium Alumino Ferrice (C4AF) 11.56
Physical Properties Results
Blain 3000 cm2/gr
Autoclave Expansion 0.02
Initial Setting Time (VICAT) 160 Minute
Final Setting Time (VICAT) 300 Minute
Compressive strength at 03 Days 22 N/mm2
Compressive strength at 07 Days 31 N/mm2
Compressive strength at 28 Days 43 N/mm2