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 76783, Cubitron II Hookit Cloth Disc 784F, 120+ XF-weight, 5 in x NH, Die 500X, 7100222757
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 03647, Scotch-Brite Edger Disc Pad, 7 in x .875 in, 7000133920
ACS Diamond Cloth Belt, CX1250 3" X 90" 75U
3M 76519, Cloth Belt 777F, 60 YF-weight, 2 in x 48 in, Film-lok, Single-flex, 7000148138, 50 per case
3M 62607, Scotch-Weld Threadlocker TL42, Blue, 250 mL Bottle, 7100039192, 2/case
3M 55717, Stikit Film Disc 375L, 5 x NH P1000 w/Skipslit Liner, 7010363363, 250 per case
3M™ 72016, Remote Alarm & Strobe 529-05-20, Audible, 7000131708, 1 EA/Case
3M 88904, PSA Cloth Disc 348D, 50 X-weight, 12 in x NH, Die 1200B, 7000118897
3M™ 07011, Supplied Air Respirator Hose W-9435-50/07011(AAD), 7000005373, 1 EA/Case
3M 85372, Cloth Belt 777F, 80 YF-weight, 1/2 in x 12 in, Fabri-lok, Full-flex, 7000118397, 200 per case
3M 65086, Scotch-Brite Diamond Wheel, 6" x 1" x 1" 645DC, 7010329878
3M 01328, PSA Cloth Disc 348D, P180 X-weight, 3 in x NH, Die 300V, 7000045068
3M 08369, MSP Seam Sealer, White, 310 mL Flexpack, 7000045483, 6 per case
3M™ 72013, Adapter 529-04-50, 110-120 VAC, 7000131705, 1 EA/Case
Standard Abrasives 42683, A/O Flexible Flap Wheel 613428, 2 in x 1 in x 1/4 in 120, 7100046824, 100 per case
3M™ 72787, Calibration Kit 529-04-48, Large, 7000052154, 1 EA/Case
3M 16301, PPS Lid & Liner Kit, Standard (22 fl oz), 125 Micron Full
Diameter Filter, 50 Lids & Liners per kit, 7010029842
3M 16298, PPS Lid & Liner Dispenser: Mini & Micro, 7100042777
3M 03016, Glass Cloth Tape 361, White, 3/4 in x 60 yd, 6.4 mil, 7000047441
Dynabrade 51740 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 60,000 RPM, 1/8" Collet, with Mount Stem
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint
Standard Abrasives 840038, Quick Change Surface Conditioning GP Disc, A/O Medium, TSM, Maroon, 3/4 in, QS75KM, 7000121647, 50/case
3M 25496, Scotch-Weld Epoxy Adhesive 2214 Non-Metallic Filled, Cream, 6 fl oz Cartridge, 7000121273, 4/case 
