Sonolastic Primer 733
Primer 733 is a one component solvent based urethane for Sonolastic sealants.
Primer 733 is recommended for non porous surfaces that require a Sonolastic joint sealant, NP1, Ultra, NP2, SL2. Substrates include ceramic filled paints, powder coated metals, glass, vitrified tiles, immersed surfaces, copper, stainless steel and galvanized steel .