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 840031, Quick Change Surface Conditioning FE Disc, A/O Coarse, TSM, Brown, 3/4 in, QS75KM, 7000046845, 50/case
3M 08973, Scotch-Weld Epoxy Potting Compound DP270, Clear, 48.5 mL Duo-Pak, 7100148730, 12/case
3M 24049, Wetordry Cloth Disc 281W, P1000 YF-weight, 8 in x NH, Die 800JM, 7000045052
3M™ 72016, Remote Alarm & Strobe 529-05-20, Audible, 7000131708, 1 EA/Case
3M 95620, Venture Tape Metal Building Facing Tape 1531CW, White, 6 in x 50 yd, 7010313495
ACS Diamond Cloth Belt, CX1250 1" X 49" 125U
3M 34556, Cubitron II Net Sheet Roll, 320+, 80 mm x 10 m, 7100283765, 6 Rolls/Case
3M 43195, Exhalation Valve Filter 604, 7100245392, 30 ea/Case
3M 45038, Wheel Adapter Kit No.3, 5/8-11 External, 7000028423
3M 22393, Roloc Disc 361F, 36 YF-weight, TR, 3 in, Die R300V, 7000045093
Standard Abrasives 840236, Quick Change Surface Conditioning RC Disc, A/O Very Fine, TSM, 1-1/2 in, QS150SM, 7010367286, 50/case
3M 22396, Roloc Disc 361F, 36 YF-weight, TR, 1-1/2 in, Die R150S, 7000045091
3M 22407, Roloc Disc 361F, 80 YF-weight, TR, 1-1/2 in, Die R150S, 7000045099
3M 77559, Cubitron II Hookit Cloth Disc 784F, 77559, 36+ to 120+, 5 in x NH, Die 500X, 7100232738
3M 10116, Synthetic Steel Wool Pads, 10116NA, #2 Medium, 2 in x 4 in, 7000047708
3M 11419, Roloc Disc 361F, P240 XF-weight, TR, 2 in, Die R200P, 7000045105
3M 01326, PSA Cloth Disc 348D, P240 X-weight, 3 in x NH, Die 300V, 7000045069
3M 65033, Scotch-Brite Diamond Wheel, 645DC 6 in x 1/2 in x 1 in, 7010365574, Box of 3
3M 66615, Cloth Belt 341D, 50 X-weight, 3 in x 21 in, Fabri-lok, Single-flex, 7000118855, 25 per case
3M 16328, PPS Lid & Liner Kit, Micro (3 fl oz), 125 Micron Full
Diameter Filter, 50 Lids & Liners per kit, 7000045482
ACS CX1250 Diamond Belt, 1/2" X 24" 20u
3M 20908, PSA Cloth Disc 348D, P100 X-weight, 2 in x NH, Die 200P, 7000118874
3M 84182, Microfinishing PSA Film Disc Roll 366L, 100 Mic 3MIL, Type D, 5 in x NH, Die 500X, 7010307771, 125 discs per roll
Dynabrade 10690 Filter/Regulator/Lubricator, FRL40, 1/2" NPTAssy.
3M 53914, Performance Plus Duct Tape 8979N Nuclear Red, 48 mm x 54.8 m 12.1 mil, 7000049014, 24/ case
3M 77558, Cubitron II Hookit Cloth Disc 947A, 77558, 40+ to 120+, 6 in x NH, Die 600Z, 7100232737
3M 20907, PSA Cloth Disc 348D, P120 X-weight, 2 in x NH, Die 200P, 7000118875
3M 94702, Cubitron ll Cloth Belt 947A, 120+ X-weight, 1/4 in x 24 in, Fabri-lok, Single-flex, 7100141686, 200 per case
3M 66165, Wind Protection Tape Edge Sealer W2600, 50 ml (1.7 fluid ounce), 7100008766, 12/Case
3M 16067, PPS Mix Ratio Insert - Generic, 3 oz, 7000119840, 10 Inserts Per Pack 
