Withstands Harsh Marine Environments
Providing a high-quality seal, 3M™ Marine Grade Silicone Sealant is a one-component cure, silicone sealant engineered to withstand the harsh marine environment. This weather-resistant sealant is formulated to resist mildew and form a non-yellowing seal for above waterline applications. In addition, this marine sealant is high-temperature resistant and remains flexible even after years of exposure. The non-shrinking and non-sagging properties of this product offer simple and efficient application. This marine-grade sealant adheres to bare and painted metal, fiberglass, glass, non-oily woods, plastics and abraded rubbers.
Recommended Applications
- Electrical hatch sealing
- Dashboard components
- Port lights
- Above the waterline interior/exterior sealing
Designed to Endure Marine Environments
3M™ Marine Grade Silicone Sealant is a part of a broad range of adhesive sealants uniquely formulated for the marine market. 3M™ Marine Grade Silicone Sealant is designed for reliable sealing performance in harsh marine environments.
Understanding Adhesive Sealants
Adhesive sealants provide strong, flexible durable elastomeric bonds that seal against the elements. These sealants excel in challenging industrial, transportation and construction applications. Choose a 3M Manual or Pneumatic Applicator for dispensing 3M adhesives sealant cartridges.
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™ 72787, Calibration Kit 529-04-48, Large, 7000052154, 1 EA/Case
Dynabrade 51810 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 1000,000 RPM, 1/8" Collet
Standard Abrasives 713297, Aluminum Oxide Handy Roll, P120 J-weight, 2 in x 50 yd, 7100031623
3M 22393, Roloc Disc 361F, 36 YF-weight, TR, 3 in, Die R300V, 7000045093
3M 69455, Cloth Belt 777F, 50 YF-weight, 3 in x 132 in, Film-lok, L-flex, 7010365062, 25 per case
3M 22407, Roloc Disc 361F, 80 YF-weight, TR, 1-1/2 in, Die R150S, 7000045099
3M™ 72122, Portable Compressed Air Filter and Regulator Panel 256-02-01, 100 cfm, 8 outlets, with Carbon Monoxide Monitor, 7000052147, 1 EA/Case
3M 08368, Urethane Seam Sealer, White, 310mL Cartridge, 7100049325, 12 per case
Dynabrade 13509 Dynastraight Finishing Tool, Rear Exhaust, 6,000 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor
3M 13325, Disc Pad Face Plate, 4-1/2 in Medium Gray, 7000120513
Dynabrade 51756 .1 hp Straight-Line Extension Pencil Grinder, Rear Exhaust, 35,000 RPM, 1/8" Collet
3M 49941, Roloc Disc 361F, 80 YF-weight, TSM, 3 in, Die RS300VM, 7000148151
Dynabrade 51301 .5 hp Straight-Line Die Grinder
3M 20927, PSA Cloth Disc 348D, P240 X-weight, 1 in x NH, Die 100N, 7000118918
3M 21463, Marine Adhesive Sealant 5200, White, 5 Gallon Drum (Pail), 7010325698
3M 81284, Scotch-Weld High Strength Retaining Compound RT38, Green, 250 mL Bottle, 7010367436, 2/case
Dynabrade 51708 .1 hp Straight-Line Pencil Grinder, 35,000 RPM, 3/32" Collet
3M™ 94275, Versaflo™ Gold Coated Tinted Over-Visor with UV/IR Protection M-967N, 70071696879, 1 EA/Case
3M 66165, Wind Protection Tape Edge Sealer W2600, 50 ml (1.7 fluid ounce), 7100008766, 12/Case
3M 71361, 641WY 1/4" X 24", 1200 Mesh Diamond Cloth Belt, 7010534916
Dynabrade 51633 .1 hp Straight-Line Extension Pencil Grinder, Central Vacuum, 1/8" Collet
Dynabrade 51703 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 50,000 RPM, 1/8" Collet
3M 62815, Adhesive Sealant 760 UV, White, 290 mL Cartridge, 7100139501, 12/Case
Dynabrade 69522 Housing for 69500, 5,000 RPM
ACS CX1250 Diamond Belt, 1/2" X 24" 250u
3M™ 17379, Versaflo™ Length Adjusting Breathing Tube BT-30, 7100009685, 1 EA/Case
3M 28830, 675L, 1/2" X 72", 74u, Diamond Microfinishing Film Belt 7010508919
Dynabrade 51630 .1 hp Straight-Line Extension Pencil Grinder, Central Vacuum, 1/8" Collet
3M 21762, Stikit Cloth Disc Roll 341D, 60 X-weight, 6 in x NH, Die 600Z, 7000118780
Dynabrade 51632 .1 hp Straight-Line Pencil Grinder, Central Vacuum, 1/8" Collet
3M 65022, Scotch-Brite Deburr and Finish Pro Unitized Wheel, DP-UW, 6C Medium+, 3 in x 3/4 in x 1/4 in, 7100053421
3M 62610, Scotch-Weld Threadlocker TL62, Red, 50 mL Bottle, 7100039196, 10/case
3M™ 72010, Replacement Filter Kit 523-01-29, 7000056891, 1 EA/Case
Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander
3M 62612, Scotch-Weld Threadlocker TL71, Red, 10 mL Bottle, 7100039197, 10/case
3M™ 17323, Versaflo™ Respiratory Helmet Assembly M-407, with Premium Visor and Flame Resistant Shroud, 7000002395, 1 EA/Case
3M 19677, Scotch-Seal Industrial Sealant 800, Reddish Brown, 1 Gallon Drum, 7000000793, 4/Case
3M 72074, Organic Vapor/Chlorine/Hydrogen Chloride/Sulfur Dioxide/High Efficiency Cartridge 453-03-01R06, AEP3, 7000131720, 2 Packs/Case
Standard Abrasives 727334, Buff and Blend Cross Buff HS, A/O Coarse, 1 in x 3/8 in x 2 Ply x 8-32, 7000047211
3M 20911, PSA Cloth Disc 348D, 50 X-weight, 2 in x NH, Die 200P, 7000118871
Dynabrade 64350 26" W x 36" L (660 mm W x 914 mm L) Metal Capture Downdraft Station, 230 V (AC)
3M 05220, Marine Adhesive Sealant 5200FC Fast Cure, White, 3 oz Tube, 7000120490, 6/Case 
