VELOSIT® PR 303

Moisture Vapor Emission Control Primer

VELOSIT PR  303 is a universal primer for many substrates. VELOSIT PR 303 is designed for critical substrates with high moisture content or excessive water vapor emissions.

Typical applications:

  • Standard primer for resin flooring systems 
  • Moisture barrier for sensitive flooring materials and adhesives
  • Primer for Polyurea coatings and joint materials
  • Primer for asphalt with solvent addition
  • Production of scratch coat and cove mortars

Properties:

  • VOC and solvent free
  • Low viscosity
  • Very low vapor transmission rate, surpasses requirements of ASTM E96-12 for vapor retarders
  • Pigmented for better visibility on the substrate
  • Open to light foot traffic after 6 hours.
  • Very good adhesion to metal and typical construction substrates like concrete, masonry and asphalt (with xylene addition)

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TDS PR 303 EN

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