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Home > Sealants and Caulks > Primers > PSI-590
PSI-590 Primer
PSI-590 is a colorless, non-staining, single-component primer designed to promote high-strength adhesion of PSI polyurethane and polysulfide sealants to non-porous surfaces, such as metal, glass, ceramics, glazed surfaces, certain plastics including polyester, polystyrene, PVC (rigid and flexible), and EPDM .
PSI-590 can also be used on wood, concrete and masonry surfaces where a non-staining primer is necessary.
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