Elastic, Moisture-Cured, Single-Component, Transparent/Pigmented, Aliphatic (colour-stable), Thin, Liquid-applied Polyurethane Sealer

VELOSIT PU 458 is a single component, aliphatic, air-moisture cured, high-performance, liquid-applied polyurethane sealer that cures to form a thin, elastomeric, seamless, colour-stable and glossy finish.

VELOSIT PU 458 is brush, roller or airless spray applied in a thin coating and is available in pigmented and transparent grades.  The coloured grade is used to cover VELOSIT PU 453 or PU 454 our aromatic-based, polyurethane waterproof coatings to extend colour stability.

Typical applications:

  • Safety Data Sheet
  • Car parks
  • Stadiums and outdoor auditoriums
  • Indoor and outdoor showrooms


  • Excellent UV resistance 
  • Single component: long pot life
  • Excellent uniform adhesion
  • Very low viscosity
  • Easily applied without thinning
  • Fast curing allows same day re-coating
  • Highly elastic; above 300 %
  • High tensile strength: 40 MPa (5801 psi)
  • Excellent mechanical and chemical resistance
  • High abrasion and tear resistance
  • Does not soften at elevated temperatures (up to + 80 °C )
  • Capable of withstanding thermal shocks (up to + 190 °C) 
  • Remains elastic even at sub-zero temperatures (down to - 40 °C)


Here you can find detailed information about the selected VELOSIT product.

Technical Data Sheet Safety Data Sheet

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