Urethane Sealant Primer

EUCOLASTIC PRIMER is a single-component, fast drying liquid primer that prepares non-porous surfaces for the application of Eucolastic 1NS, Eucolastic 1SL. EUCOLASTIC PRIMER imparts a surface finish which is very receptive to urethane sealants.

Features & Benefits

  • Provides primer base for adhesion of Eucolastic sealants
  • Increases adhesion for use in immersion situations
  • Seals porous surfaces increasing water tightness


  • To prepare surface for the adhesion of urethane sealants
  • Assures a water resistant bond on porous and non-porous substrates


EUCOLASTIC PRIMER is available in 1 qt (0.95 L) units