II/A-V 52.5N/SRC

SULPHATE AND SEAWATER RESISTANT CEMENT

PACKED AND BULK

MAIN APPLICATIONS

  • Reinforced concrete
  • Concrete in contact with soil or water containing
  • Foundations in gypsiferous soils
  • Port and maritime projects
  • Structural prefabs
  • Shotcrete
  • High strenght concrete
  • Concrete with alkali-reactive aggregates

MAIN USAGE RESTRICTIONS

  • Reinforced and mass concrete in big volumes
  • Compacted dry concrete

PRECAUTIONS

  • Store in a watertight and dry place
  • Store preferably for less than a month
  • Take care of the dosage, mixing and curing to avoid desiccation
  • Check temperature during mixing and curing in order to avoid shrinkage cracks during the first curing hours and the loss of rheology of fresh concrete
  • Do not mix with gypsum or other type of cement

SPECIFICATIONS

• Specifications UNE 80303-1:13

Constituents:

  • Clinker: 80-94%
  • Fly ashes: 6-20%
  • Minor constituents: 0-5%

These values refer to the cement core excluding calcium sulphate or any other additive

Chemical requirements:

  • Sulphates ≤ 4.0%
  • Chlorides ≤ 0.10%

Mechanical requirements:

  • Compression strength at 2 days ≥ 20.0 MPa
  • Compression strength at 28 days ≥ 52.5 MPa

Physical requirements:

  • Initial setting time ≥ 45 minutes
  • Soundness ≤ 10 mm