Exceptional Performance on Acrylics, Polycarbonates and Polyester
As versatile as it is effective, 3M All Purpose Sealant Primer P591 works as well on substrates like metal, glass, plastics, wood and concrete as it does on acrylics, polycarbonate and polyester substrates. This primer is a low viscosity adhesion promoter designed for use with the 3M 500-Series Polyurethane Adhesives/Sealants and 3M Silane Modified Polymer 700-Series Adhesive Sealants, as well as the 3M Polyurethane Glass Adhesive Sealant 590 with or without 3M Adhesion Promoter AP596.
3M All Purpose Sealant Primer P591 prepares surfaces to maximize bonding. Bonding and sealing keeps moisture out and supports structural integrity. For optimum performance, use with 3M Adhesive Sealants 550 and 590 on typical substrates like fiberglass, PVC, polycarbonate, aluminum, stainless steel, cold rolled steel and glass.
Recommended Applications
- Porthole bonding for marine industry ? use to prime glass, acrylic or polycarbonate windows
- Windshield bonding for RVs, railcars, buses, trucks and trailers ? use to prime glass windows
- Panel to post bonding for specialty vehicles, buses and work trailers
Bringing Better Ideas to the Surface through Science and Innovation
In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.

Dynabrade 78476 2-1/2" Dia. x 3/4", 8-32 Female Center Thread, A/O, 180 Grit, 8-Ply J-DynaCut Cross Pad, 100/pack
ACS Diamond Cloth Belt, CX1250 3" X 30" 60M/250U
3M 05740, Hookit Hand Block, 2-3/4 in x 5 in, 7000045715
Standard Abrasives 727132, A/O Cross Pad, 8 PLY, 4 in x 4 in x 1 in, 1/4-20, 80, 7100105070
3M 20279, Disc Pad Holder 947TH, 7 in x 1 in x 5/8-11 Internal Black T Hook, 7000118602
3M 15289, 663FC, 2-3/4" X 160", 40u, Diamond Trizact Belts 7010508900
3M 30204, Disposable Plastic Wheel Maskers, X-Large, 125 per box, 7000125076
Dynabrade 78603 1/2" Dia. x 1" W x 1/8" Center Hole, 80 Grit, 100/pack
3M 05182, Scotch-Brite Cut and Polish Wheel, CP-WL, 5A Fine, 6 in x 1/2 in x 1 in, 7100050403,Box of 4
Dynabrade 91090 2" Dia. x 1" W, 120 Grit, Z/A DynaCut Band, 10/pack
3M 08025, Adhesive Sealant 740 UV, Black, 600 mL Sausage Pack, 7100057385, 12/Case 
