BLASTFURNACE CEMENT CEM III/A 42,5 N-LH

BLASTFURNACE CEMENT CEM III/A 42,5 N-LH

COMPOSITION OF CEMENT

  • Portland clinker in an amount of 35-50%
  • granulated blast furnace slag in an amount of 50-65%
  • minor constituents in an amount of 0-5%
  • setting time regulator - calcium sulphate

PROPERTIES

  • density 3,01 kg/dm3
  • bulk density 1,29 t/m3
  • high resistance to chemical attack
  • low shrinkage
  • low heat of hydration
  • moderate early strength growth dynamics

FIELD OF APPLICATION

  • freight concrete according to PN-EN 206-1
  • Self-compacting concrete - SCC
  • concrete foundation
  • concrete for massive structures
  • stained concretes and mortars
  • concrete for hydraulic engineering constructions
  • concrete with high resistance to chemical attack
  • concrete for underground structures (culverts, tunnels)
  • soil stabilization and substructures of roads
  • screeds

CEMENT SATISFIES THE REQUIREMENTS OF:

  • EN 197-1:2011 "Cement - Part 1: Composition, specifications and compliance criteria for common use cements" standard.
  • EN 197-2:2014 "Cement - Part 2: Conformity assessment" standard.

Requirements according to EN 197-1 UNIT REQUIRED VALUES
Compressive strength after: 2 days MPa ≥ 10,0
Compressive strength after: 28 days MPa ≥ 42,5 ≤ 62,5
Binding time: (start) min ≥ 60
Soundness mm ≤ 10
Strata prażenia % ≤ 5
Insoluble residue % ≤ 5
Sulphate content (as SO3) % ≤ 4
Chrome content - Cr (VI) % ≤ 0,10
Heat of hydration after 41 h J/g ≤ 270

 

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