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 54264, Cubitron II Roloc Durable Edge Disc 947A, 120+, X-weight, TR, Maroon, 2 in, Die R200P, AB54264, 7100076933, 200 per case
3M™ 72016, Remote Alarm & Strobe 529-05-20, Audible, 7000131708, 1 EA/Case
Dynabrade 15420 Dynafile III Abrasive Belt Tool
3M 14270, Disc Pad Face Plate, 4-1/2 in Hard Black, 7000144144
Dynabrade 11066 Contact Wheel Ass'y, 5/16" Dia. x 1/8" W x 1/4" I.D., Flat Face, Steel
Dynabrade 14230 Rubber Drive Wheel
3M 11411, Roloc Disc 361F, 50 YF-weight, TR, 1 in, Die R100N, 7000045095
3M 87103, Cloth Belt 341D, 24 X-weight, 9 in x 20 in, Fabri-lok, Single-flex, 7010326200, 20 per case
Dynabrade 18570 Vane Set (4pk)
Dynabrade 11342 Contact Wheel Ass'y, 5/16" Dia. x 3/8" W x 3/16" I.D., Crown Face, 70 Duro Rubber
Dynabrade 11072 Contact Wheel Ass'y, 7/16" Dia. x 1/8" W x 3/8" I.D., Crown Face, Brass
Dynabrade 07109 Vane Set (5pk)
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
Standard Abrasives 42623, A/O Flap Wheel 621408, 1 in x 1 in x 1/4-20 in 120, 7100053407, 10 per case
Dynabrade 52474 Vane Set (4pk)
Insize 1138-200, DIGITAL CALIPER WITH LONG UPPER JAWS, 0-8"/0-200mm, 6928640392344
Dynabrade 51926 Vane Set (4pk)
3M 16204, PPS Disposable Lids, Midi, 200 Micron Full Diameter Filters, 7100169390
3M 28817, STIKIT LOW PROFILE DISC PAD, EXTRA FIRM, 5 IN X 3/8 IN X 5/16 IN, 24 EXTERNAL, 7010361145
3M 05516, Polyurethane Glass Adhesive Sealant 590, Black, 310 mL Cartridge, 7100060280, 12/Case
3M 57894, 642WY 1/4" X 24", 50000 Mesh Diamond Cloth Belt, 7100230570
ACS Diamond Cloth Belt, CX1250 3" X 30" 60M/250U
Dynabrade 07107 Vane Set (5pk)
3M 47201, Polyurethane Sealant 540, Black, 600 mL Sausage Pack, 7100198009, 12/Case
Dynabrade 15101 Tension Arm (for Mini Dynafile II)
Dynabrade 11684 Dynabelter Contact Arm Assembly 4" DIA X 5/8" W., 40 Duro Serrated
3M 07279, Polystyrene Foam Insulation Spray Adhesive 78, Inverted, Clear, 24 fl oz Can (Net Wt 17.9 oz), 7000046591, 12/Case
Dynabrade 40320 Dynafile II Abrasive Belt Tool
3M 62817, Adhesive Sealant 760 UV, Black, 290 mL Cartridge, 7100139449, 12/Case
Dynabrade 92187 1" W x 30" L 80 Grit A/Z DynaCut Belt, 50/pack
Dynabrade 11375 Big Wheel, 4-3/8 Dia. x 1/2" W x 5/8 I.D., Urethane
Dynabrade 11399 Type 27 Wheel Mounting Adapter Kit
Dynabrade 14000 Dynafile Abrasive Belt Tool
3M 65033, Scotch-Brite Diamond Wheel, 645DC 6 in x 1/2 in x 1 in, 7010365574, Box of 3
Dynabrade 51708 .1 hp Straight-Line Pencil Grinder, 35,000 RPM, 3/32" Collet
3M 33349, 641WY 1/4" X 24", 220 Mesh Diamond Cloth Belt, 7010534919
3M 11412, Roloc Disc 361F, 36 YF-weight, TR, 1 in, Die R100N, 7000045092
ACS CX1250 Diamond Belt, 1/2" X 24" 9u
3M 10115, Synthetic Steel Wool Pads, #3 Coarse, 7000051986
3M 05182, Scotch-Brite Cut and Polish Wheel, CP-WL, 5A Fine, 6 in x 1/2 in x 1 in, 7100050403,Box of 4
Dynabrade 51731 .1 hp Straight-Line Pencil Grinder, 60,000 RPM, 1/8" Collet
3M 77558, Cubitron II Hookit Cloth Disc 947A, 77558, 40+ to 120+, 6 in x NH, Die 600Z, 7100232737
Dynabrade 14360 Pneumatic Pipe Belt Finisher
3M 97967, Foam Fast Spray Adhesive 74 CA, Low VOC <25%, Clear, 24 fl oz Can (Net Wt 19.0 oz), 7100014108, 12/Case
3M 20227, Scotch-Seal Metal Sealant 2084, Silver, 5 oz Tube, 7000046343, 36/Case
Dynabrade 51633 .1 hp Straight-Line Extension Pencil Grinder, Central Vacuum, 1/8" Collet
Dynabrade 11395 Guide Wheel
Dynabrade 31920 - 1-1/4" (32 mm) Static Conductive Hose, Black
3M 70894, 641WY 1/2" X 24", 100 Mesh Diamond Cloth Belt, 7010533228
Dynabrade 11332 Contact Wheel Ass'y, 1/4" Dia. x 3/8" W x 3/16" I.D., Crown Face, Steel
3M 20930, PSA Cloth Disc 348D, P120 X-weight, 1 in x NH, Die 100N, 7000118916
3M 26022, PPS Series 2.0 Adapter, Type S12, 10 mm Male, 1.0 mm Thread, 7100135943
3M 20922, PSA Cloth Disc 348D, 60 X-weight, 1-1/2 in x NH, Die 150S, 7010326528.
Dynabrade 10690 Filter/Regulator/Lubricator, FRL40, 1/2" NPTAssy.
Dynabrade 51703 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 50,000 RPM, 1/8" Collet
3M 81449, Scotch-Weld EPX Mixing Nozzle for DP2216, Helical White, 43 mL, 7100034271
3M 14708, Heavy Duty Spray Adhesive 20, Clear, 16 fl oz Can (Net Wt 13.8 oz), 7100179437, 12/Case 
