Works on a Wide Variety of Similar and Dissimilar Substrates
3M™ Polyurethane Adhesive Sealant 550 Fast Cure is part of our 500 Series one-component, moisture-curing, urethane adhesives. These adhesives create a permanently elastic bond and bond strongly a variety of substrates such as wood, fiber reinforced plastic (FRP) and many other plastics to themselves, to metal and to glass. Our moisture-curing formula cures by reacting with moisture in the air or the substrate. In addition to spraying, they can also be extruded from hand held or bench mounted applicators and are primarily dispensed with bulk application equipment_. Our one-part polyurethane adhesives work well for bonding a wide variety of plastics including polystyrene and polyacrylic. They are also effective on a wide variety of other substrates – from aluminum and glass to plastic and wood.
Recommended Applications
- Marine deck to hull bonding
- Vertical and horizontal expansion joint applications
- Concrete and masonry control joints
- Aluminum curtain wall and storefronts
- Door and window frame perimeters
Paintable after Skin Forms for Improved Appearance
3M™ Polyurethane Adhesive Sealant 550 offers an alternative to mechanical fasteners and can replace rivets in some applications. It will bond dissimilar substrates and a wide selection of materials. This adhesive will perform in temperatures ranging from -40?F/-40?C to 194?F/90?C. Once skin forms (60-90 minutes), the sealant can be painted to improve the final finish.
Understanding Polyurethane Sealants
Polyurethane sealants provide strong, flexible durable elastomeric bonds that seal against the elements. These sealants excel in challenging industrial, transportation and construction applications. Polyurethane sealants are available in a wide variety of Shore A hardness, open time and colors to meet many application needs. Choose a 3M Manual or Pneumatic Applicator for dispensing 3M adhesives sealant cartridges and 400ml/600ml sausage packs.
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 95842 Dynabrade Air Lube 10W/NR, 1 Pint
Dynabrade 15420 Dynafile III Abrasive Belt Tool
Air Turbine Tools 310RSV - 6mm Router Hand Tool Series, 25,000RPM, 33421
3M 18451, Scotch-Brite Heavy Duty Hand Pad 7440B, HP-HP, A/O Medium, 6 in x 9 in, 7000000715, 40 ea/Case
ACS Flap Disc, Type 29 (Curved) Full Diamond 4-1/2 X 5/8-11 60M, 333.FD4.5-60/T29
Standard Abrasives 840137, Quick Change Surface Conditioning GP Disc, Coarse, TSM, 1 in, 7000121648, 50 per case
Insize 0110-1125, ANEMOMETER, 6974029776595
Standard Abrasives 713296, Aluminum Oxide Handy Roll, P320 J-weight, 2 in x 50 yd, 7100034517
Norton 66261127733 - 2" X 50 Yard 60 Grit Metalite™ Aluminum Oxide Cloth Roll, 1 Each
3M 07414, Hand Sanding Metal Finishing Pad 7414NA, 4.375 in x 11 in, Maroon Medium, 7010315820
3M 19795, Utility Cloth Roll 314D, P400 J-weight, 1-1/2 in x 20 yd, 7100081717
3M 11419, Roloc Disc 361F, P240 XF-weight, TR, 2 in, Die R200P, 7000045105
3M 33446, Cubitron II File Belt, 80+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033186, 10 belts per carton, 5 cartons per case
Dynabrade 14000 Dynafile Abrasive Belt Tool
Dynabrade 82577 1/2" W x 24" L 80 Grit Ceramic DynaCut Belt, 50/pack
Dynabrade 51301 .5 hp Straight-Line Die Grinder
3M 10118, Synthetic Steel Wool Pads, 10118NA, #0 Fine, 7000126148
Dynabrade 96101 Dynabrade Air Lube 10W/NR 24 Per Box
3M 76624, Roloc Disc 777F, 60 YF-weight, TR, 1 in, Die R100N, 7000045620
Dynabrade 52410 3" Dia. 7 Degree Offset Disc Sander, Front Exhaust, .7 HP, 15,000 RPM, 3/8"-24 Thread
Dynabrade 51706 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 35,000 RPM, 1/8" Collet
3M 26022, PPS Series 2.0 Adapter, Type S12, 10 mm Male, 1.0 mm Thread, 7100135943
3M 06580, Marine Adhesive Sealant 4000 UV, White, 295 mL Cartridge, 7000046623, 12/Case 
