Styrothane 5321 FR

A fast curing, 100% solids, aromatic urethane coating. Specifically designed as a hard coat to provide high impact damage resistance for expanded polystyrene (EPS), Styrofoam and PUF.

Recommended Uses:       

  • High impact damage protection for Expanded Polystyrenes (EPS) and Styrofoam
  • Protection and enhanced aesthetic appeal for urethane foam and phenolic foam boardstock
  • Protection and enhanced aesthetic appeal for wood surfaces


  • Passes ASTM D-635 test criteria.
  • Fast cure and cycle times for increased production rates
  • High gloss visual appeal for product enhancement
  • Durability extends substrate life
  • Impact Resistant Protection
  • Protection against chemical attacks (gasoline, oil, solvents, etc.)
  • Excellent waterproofing characteristics
  • Resistant to freeze/thaw expansion contractions and thermal shock cycles
ITW Engineered Polymers