VELOSIT® SL 505

White High Strength Self Leveling Overlayment

VELOSIT SL 505 is a white cementitious self leveling overlayment for concrete floors. It creates an abrasion resistant smooth surface. It may also be used as a high strength underlayment for coatings and floor coverings.

Typical applications:

  • Interior and exterior floors

  • Leveling of concrete slabs and floors as a finished surface

  • Repair of surface defects on concrete floors

  • Application thickness from 3 mm (1/8”) to 38 mm (1 ½“)

Properties:

  • Minimal shrinkage/expansion under dry resp. wet curing conditions minimizing the risk of micro-cracking
  • Excellent flow with long slump life
  • Smooth surface profile
  • Fast air release with minimal requirement for agitation
  • Ready for foot traffic after 3 hours, for forklift traffic after 16 hours.
  • 30 – 40 min. working time and 20 MPa (2900 psi) compressive strength after 4 hours
  • Final strength of more than 60 MPa (8700 psi) after 28 days
  • Excellent adhesion to properly prepared concrete
  • Good resistance against CO2 and Chloride penetration due to a very tight pore structure

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Technical Data Sheet

 

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