PORTLAND-SLAG CEMENT CEM II/B-S 42,5 R

PORTLAND-SLAG CEMENT CEM II/B-S 42,5 R

COMPOSITION OF CEMENT

  • Portland clinker cement in an amount of 65-79%
  • Granulated blast furnace slag in an amount of 21-35%
  • Minor constituents in an amount of 0-5%
  • setting time regulator – calcium sulphate

PROPERTIES

  • density 3,08 kg/dm3
  • bulk density 1,35 t/m3
  • high initial and final strength
  • extended binding times
  • moderate heat of hydration
  • low shrinkage
  • good workability of the concrete mix
  • increased resistance to chemical attack
  • light colour

FIELD OF APPLICATION

  • freight concrete according to PN-EN 206-1
  • structures and monolithic or prefabricated elements
  • concrete foundation
  • concrete for hydraulic engineering constructions
  • concrete for underground structures (culverts, tunnels)
  • soil stabilization and substructures of roads
  • „bricklaying and plastering” mortars
  • „lean” concrete for the foundation of supporting structures

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 ≥ 20,0
Compressive strength after: 28 days MPa ≥ 42,5 ≤ 62,5
Binding time: (start) min ≥ 60
Soundness mm ≤ 10
Sulphate content (as SO3) % ≤ 4,0
Chloride content % ≤ 0,10
Chrome content - Cr (VI) ppm ≤ 2,0

 

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