All-Purpose Sealant & Primer by 3M

3M All-Purpose Sealant Primer P591 primes surfaces to enhance bonding, resist moisture, and fortify bonds. A primed surface boosts the performance of 3M Adhesive Sealants 500-series and 700-series on common substrates like fiberglass, PVC, polycarbonate, aluminum, stainless steel, cold rolled steel, and glass. Its moisture resistance is perfect for bonding glass, acrylic, and polycarbonate windows, such as portholes and windshields, on boats, RVs, railcars, buses, trucks, specialty vehicles, and trailers.

• Works with Most Surfaces: Enhances bonding on acrylics, polycarbonates, polyester, metal, glass, and plastics
• Adaptable Use: Boosts bond strength across marine, rail, automotive, and specialty vehicle sectors
• Strengthens Bonds: Encourages adhesion and boosts durability on low-energy surfaces
• Moisture Protection: Ideal for wet environments, secures portholes, panels, and windshields
• Optimize 3M Adhesives: Designed for use with 3M Polyurethane Adhesives Sealants 500-Series and 3M Silane Modified Polymer Adhesive Sealants 700-Series