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.

3M 33349, 641WY 1/4" X 24", 220 Mesh Diamond Cloth Belt, 7010534919
Dynabrade 14000 Dynafile Abrasive Belt Tool
3M™ 94275, Versaflo™ Gold Coated Tinted Over-Visor with UV/IR Protection M-967N, 70071696879, 1 EA/Case
3M™ 72013, Adapter 529-04-50, 110-120 VAC, 7000131705, 1 EA/Case
Insize 7231, SCRIBER, 6928640320071
3M 34554, Cubitron II Net Sheet Roll, 220+, 80 mm x 10 m, 7100247496, 6 Rolls/Case
Dynabrade 11476 Dynabelter Abrasive Belt Tool, Heavy-Duty
3M 20206, Hookit Clean Sanding Back Up Pad, 5 in x 1/2 in 5/16-24 External 31 Holes, 7100009656
3M 45038, Wheel Adapter Kit No.3, 5/8-11 External, 7000028423
Standard Abrasives 78525, Ceramic Pro Type 29 Flap Disc, 645134, 4-1/2 in x 7/8 60 Y-weight, 7010331465
3M 33780, 641WY 1/4" X 24", 400 Mesh Diamond Cloth Belt, 7010534915
3M 29830, Sanding Screen, 60 Grit, 19 in x NH, 7100160131
3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case
3M 11414, Roloc Disc 361F, P120 XF-weight, TR, 1 in, Die R100N, 7000045104
3M 26109, PPS Series 2.0 Adapter, Type S23, 1/4 Female, 18 Thread NPS, 7100135941
3M™ 53797, Flexible Diamond Belt 6451J, 1/2" Dia x 18" L, M125 Micron, Type G, Pattern B2, 7010509272
Norton 66254497067 - 2" X 1/4" 100 - 150 Grit Medium Grade Aluminum Oxide Vortex Rapid Blend Blue TR Non-Woven Abrasive Disc, 25 Each
3M 19769, Utility Cloth Sheet 314D, 9 in x 11 in P150 J-weight, 7000000357
3M 77558, Cubitron II Hookit Cloth Disc 947A, 77558, 40+ to 120+, 6 in x NH, Die 600Z, 7100232737
3M 88892, PSA Cloth Disc 348D, 60 X-weight, 15 in x NH, Die 1500A, 7010360718
Dynabrade 51301 .5 hp Straight-Line Die Grinder
3M 21543, Scotch-Brite Roloc Clean and Strip XT Pro Extra Cut Disc, TR, 2 in x NH, A XCS, 7100179815, 60/box
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
3M 22971, Disc Holder Adapter 9, 5/8-11 External M10-1.25 Internal, 7000046094
3M 47191, Polyurethane Adhesive Sealant 550FC Fast Cure, White, 400 mL Sausage Pack, 7100197999, 12/Case
3M 26136, PPS Series 2.0 Adapter, Type S32, 18 mm Female, 1.5 mm
Thread, 7100135952
Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
Dynabrade 14010 Dynafile Abrasive Belt Tool Versatility Kit
Dynabrade 11477 Dynabelter Abrasive Belt Tool, Heavy-Duty
3M 17227, Heavy Duty Duct Tape DT11, Silver, 48 mm x 54.8 m, 11 mil, 7100158346
Dynabrade 95394 1/2" NPT Female 3/8" NPT Male, 1-3/4" Length
3M 20465, Hookit Clean Sanding Low Profile Disc Pad 861 Plus, 6 in x 3/8 in x 5/8 in CH x 5-16/24 in External 53 Holes Red Foam, 7100022038
Dynabrade 94876 25' Max Flow 5/16" I.D. Air Hose Assembly, Male (1/4") / Male (1/4") Fitting Ends Included
3M 28323, Clean Sanding Interface Disc Pad, 5 in x 1/2 in x 3/4 in 31 Holes, 7100009701
3M 77116, Scotch Brite Roloc Deburr & Finish PRO Unitized Wheel, DP-UR, 4C Medium+, TR, 3 in x 1/4 in x NH, 7010295274
Dynabrade 95848 Dynabrade Gear Oil
3M 16609, Accuspray Atomizing Head, Red, 2.0 mm, 7000045543 (4 Nozzles/Kit) (6 Kits/Case)
3M 62816, Adhesive Sealant 760 UV, White, 600 mL Sausage Pack, 7000046609, 12/Case 
