3M Sealants
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3M™ Polyurethane Sealant 540, Gray, 400 mL Sausage Pack, 12/CaseSpecial Price $10.79 Regular Price $12.69Out of stock -
3M™ Polyurethane Adhesive Sealant 560, Black, 600 mL Sausage Pack, 12/CaseSpecial Price $20.43 Regular Price $24.04Out of stock -
3M™ Dynatron® Auto Seam Sealer Caulk, 550, Grey, 12 oz, 12 per caseSpecial Price $18.23 Regular Price $21.45Out of stock -
3M™ Polyurethane Sealant 540, Black, 5 Gallon (Pail), DrumSpecial Price $482.80 Regular Price $568.00Out of stock -
3M™ Marine Adhesive Sealant 4000 UV, White, (50 Gallon Net) 55 Gallon, DrumSpecial Price $213.35 Regular Price $251.00Out of stock -
3M™ Urethane Seam Sealer 08364, Beige, 310 mL Foil Pack, 6/CaseSpecial Price $29.84 Regular Price $35.11Out of stock -
3M™ Polyurethane Sealant 540, Black, 55 Gallon Open Head (50 Gallon Net), DrumSpecial Price $4,532.20 Regular Price $5,332.00Out of stock -
3M™ Polyurethane Adhesive Sealant 550FC, Fast Cure, Black, Use with 400A-2K APR, Nozzles Not Included, 350 mL Sausage Pack, 12/CaseSpecial Price $10.28 Regular Price $12.09Out of stock -
3M™ Self-Leveling Seam Sealer 08307, 200 mL Cartridge 6/CaseSpecial Price $50.62 Regular Price $59.55Out of stock -
3M™ Urethane Seam Sealer 08362, Gray, 310 mL Cartridge 12/CaseSpecial Price $27.68 Regular Price $32.56Out of stock -
3M™ Marine Grade Silicone Sealant, Clear, 304 mL Cartridge, 12/CaseSpecial Price $36.78 Regular Price $43.27Out of stock -
3M™ Polyurethane Sealant 540, Black, 310 mL Cartridge, 12 Each/CaseSpecial Price $9.25 Regular Price $10.88Out of stock
Buy 3M, Silicone, Industrial, Adhesive Sealants Online
M-Source makes it easy to find the best bonding options when they're needed the most. The range of 3M Adhesives at M-Source is highly trusted by manufacturers, contractors, and repair professionals for lasting performance. Whether you are assembling automotive panels, sealing gaps in heavy machinery, or making quick shop repairs, you’ll find adhesive products that save time and provide dependable results.
Industrial Adhesives for Every Application
This category features a complete range of bonding and sealing products designed for various materials and work environments. The industrial glues work for metal, plastic, glass, wood, and composites. This gives you the flexibility to complete jobs with confidence.
Popular Types of Adhesives
Silicone Adhesives: Flexible and weather-resistant, they are ideal for sealing outdoor systems, electrical enclosures, and equipment exposed to moisture or heat.
Acrylic Adhesives: Cure quickly and are strong. They are perfect for automotive panels, signage, and structural bonding where durability matters.
Epoxy Adhesives: Strong and resistant to chemicals, this product is excellent for bonding metal, plastic, and glass in tough industrial environments.
Hot Melt Adhesives: Clean and fast for woodworking, packaging, and light assembly tasks where speed matters.
Specialty Adhesive Products: Include nozzles, dispensers, glue sticks, and other tools to ensure smooth application and professional results.
Adhesives Tape Option: We offer reliable solutions for particular, mess-free bonding on production lines or quick field repairs.
Why Choose M-Source
At M-Source we understand that every job needs the right adhesives for the right job. That’s why we stock the trusted choice of 3M glues and adhesives that have been tested for strength, durability, and ease of use. Each product is categorized for easy differentiation by type, curing time, and application method.
M-Source’s site makes navigation simple, whether you’re a beginner or a production manager sourcing materials in large quantities. Plus, our team is ready to help if you need assistance choosing the right adhesive for your job.
Get the Right Bond Today
From sealing and joining to mounting and general repairs, M-Source has the solutions to get it done right. Browse our full range of 3M Adhesives and tools to keep your workflow efficient and your results consistent.

