Portland Cement With High Strength 1-525

This type of cement has higher compressive strength than the other type of cement produced in the company and is being distributed in class 425 and 525. 28 day strength in types 1-425 and 1-525 equals 425 kg/cm2 and 525 kg/cm2, respectively.

Data Sheet

Component Result Requirements
Loss on ignition 1.3% Max: 3
SiO2 20.9% –
Al₂O₃ 3.5% –
Fe2O3 4.0% –
CaO 62.1% –
MgO 2.0% Max: 5
SO3 2.0% Max = 3
CI 0.03% –
Insoluble Residue 0.6% Max: 0.75
Free CaO 0.9% –
Alkalis(Na2O%+0.658 K2O%) 0.7% –
C3S 59.0% –
C2S 15.4% –
C3A 2.5% –
C4AF 12.2% –

Packaging

  • Sack bag
  • Pallet bag
  • Jumbo bag
  • Bulk

Transportation

  • Land
  • Rail
  • Sea

Application

  • Production of concrete
  • In mortars(with sand and water only)
  • In plaster and screeds
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