Ciments : CEM I 42.5 N

Definition and composition

Ciment  » CEM I 42,5 N « , Tunisian standard NT 47-01, and European standard EN 197-1:2000, is an Artificial Portland Cement type I, without additives, resulting from the fine grinding of a mixture of:

  • clinker Portland 95% at least.
  • calcareous Filler 5% at most.
  • Setting regulator (Gypsum) with appropriate proportion.

Characteristics

ChemicalStandardPhysicalStandardMechanicalStandard
% PF≤5Initial Setting Time with water mn≥60Compression resistance (MPa)
% RI≤5soundness (mm)≤102J Mini13.5
% SO3≤3.5  28J Mini42.5
% MgO≤5  28J Maxi62.5
% CI≤0.10    

Characteristic: Ciment  » Low Alkalis  » by its  » Alkaline Equivalent  » lower than 0.60%.

Quality control

This product was the subject of a serious qualitative control, carried out by a qualified personnel, according to standardized methods and with calibrated metrological means .

Certification

This type of cement is certified in conformity to the standards by the following certification bodies:

  • AENOR (UNE-EN 197-1:2000)  And has obtained the European mark CE from AENOR.

Conditioning

  • Bag
  • Big-bag
  • Bulk

Mode of delivery

A triple distribution network:

  • Road (Trucks)
  • Railroad (wagons)
  • Sea (Boats)

Use

This type of cement offers excellent performances, and allows a diversified use:

  • Air or hydraulic works in reinforced concrete to normal constraints.
  • Works in great mass as dams and massifs
  • Prefabricated elements in reinforced concrete as beams and girders.
  • Prefabricated elements in reinforced concrete as blocks and hourdieses
  • Road concrete and stabilization of soils
  • Concrete for replenishment
  • Weakly armed concrete for foundation to reduced reach
  • Current masonry

Contra-indications

The use of this type of cement is not allowed to :

  • work in the sea
  • work in aggressive conditions (sulfated soils, salt water) such as underground and foundations.