PORTLAND CEMENT CEM I 42.5 R

PORTLAND CEMENT CEM I 42.5 R

COMPOSITION OF CEMENT

  • Portland clinker cement in an amount of 95-100%
  • minor constituents in an amount of 0-5%
  • setting time regulator - calcium sulphate

PROPERTIES

  • density 3,11 kg/dm3
  • bulk density 1,45 t/m3
  • rapid strength growth
  • high heat of hydration
  • high initial and final strength

FIELD OF APPLICATION

  • high-strength concrete - HSC
  • self-compacting concrete - SCC
  • plain freight concrete in accordance to EN 206-1 class C16/20 and higher
  • concrete for vibropressed precast - for example: hard paving
  • concrete for monolithic structures and elements
  • cement and cement-lime mortars: "masonry and plastering"

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
Loss on ignition % ≤ 5,0
Insoluble residue % ≤ 5,0
Sulphate content (as SO3) % ≤ 4,0
Chloride content % ≤ 0,10
Chrome content - Cr (VI) ppm ≤ 2,0

 

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