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.

Standard Abrasives 531202, Quick Change Aluminum Oxide Resin Fiber Disc, 24, TN, Brown, 7 in, Die TN700BB, 7010369490, 25/case
3M 77558, Cubitron II Hookit Cloth Disc 947A, 77558, 40+ to 120+, 6 in x NH, Die 600Z, 7100232737
ACS Diamond Cloth Belt, CX1250 1/2" X 72" 125U
3M 21346, Wetordry Paper Disc 431Q, 180 C-weight, 8 in x NH, Die 800L, 7000120332
3M™ 72787, Calibration Kit 529-04-48, Large, 7000052154, 1 EA/Case
3M 57894, 642WY 1/4" X 24", 50000 Mesh Diamond Cloth Belt, 7100230570
3M 33780, 641WY 1/4" X 24", 400 Mesh Diamond Cloth Belt, 7010534915
Dynabrade 78580 1/4" Dia. x 1" W x 1/8" Center Hole, 80 Grit, 100/pack
Dynabrade 11486 Dynabelter Accu-Grinder Abrasive Belt Tool, Heavy-Duty
3M 88871, PSA Cloth Disc 777F, 60 YF-weight, 12 in x NH, Die 1200B, 7000120238
3M 65749, Detector Loop Sealant 5000, 1 Liter, 3M 7000056794, 12 per case
Dynabrade 95544 Gear Grease, 2.5oz. Tube
Insize 7341-10S, PIN GAGE HANDLE (with 1pc handle and 4 pairs of collecting bushes), .510-.579", 6928640370595
3M 02960, Scotch-Brite Cut and Polish Wheel, CP-WL, 5A Fine, 6 in x 1 in x 1 in, 7100009186, Box of 3
3M 77559, Cubitron II Hookit Cloth Disc 784F, 77559, 36+ to 120+, 5 in x NH, Die 500X, 7100232738
3M™ 07011, Supplied Air Respirator Hose W-9435-50/07011(AAD), 7000005373, 1 EA/Case
3M 86992, Diamond Disc, 3" Roloc, 674W, 120 Mesh, TR, 7100143477, Box of 5
3M 11419, Roloc Disc 361F, P240 XF-weight, TR, 2 in, Die R200P, 7000045105
Dynabrade 11684 Dynabelter Contact Arm Assembly 4" DIA X 5/8" W., 40 Duro Serrated
3M™ 17379, Versaflo™ Length Adjusting Breathing Tube BT-30, 7100009685, 1 EA/Case
3M 21543, Scotch-Brite Roloc Clean and Strip XT Pro Extra Cut Disc, TR, 2 in x NH, A XCS, 7100179815, 60/box
3M 05206, Marine Adhesive Sealant 5200, White, 1 oz Tube, 7010325697, 12/Case 
