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™ 72016, Remote Alarm & Strobe 529-05-20, Audible, 7000131708, 1 EA/Case
3M 08301, Ultrapro Autobody Sealant, 08301, Tan, 5 oz Tube, 7100142901, 6 per case
3M™ 17379, Versaflo™ Length Adjusting Breathing Tube BT-30, 7100009685, 1 EA/Case
3M 84164, Hookit Microfinishing Film Disc 366L, 30 Mic 3MIL, Type D, 5 in x NH, Die 500X, 7100015070, 500 ea/Case
3M 81729, Disc Pad Face Plate Ribbed, 9 in Hard Black, 7000148244
3M™ 17323, Versaflo™ Respiratory Helmet Assembly M-407, with Premium Visor and Flame Resistant Shroud, 7000002395, 1 EA/Case
ACS CX1250 Diamond Belts, 1/2" X 24" 45u
3M 08994, Scotch-Weld Epoxy Adhesive DP100, Clear, 48.5 mL Duo-Pak, 7100148763, 12/case
Dynabrade 51624 .1 hp Straight-Line Pencil Grinder, Central Vacuum, 35,000 RPM, 3mm Collet
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™ 94275, Versaflo™ Gold Coated Tinted Over-Visor with UV/IR Protection M-967N, 70071696879, 1 EA/Case
3M 71361, 641WY 1/4" X 24", 1200 Mesh Diamond Cloth Belt, 7010534916
3M 01331, PSA Cloth Disc 348D, P100 X-weight, 3 in x NH, Die 300V, 7000118882
3M 29847, Sanding Screen, 60 grit 16 x NH, 7100160824
3M 29611, 641WY 1/4" X 24", 100 Mesh Diamond Cloth Belt, 7010534832
3M 92573, Temflex Vinyl Electrical Tape 165, Orange, 3/4 in x 60 ft (19 mm x 18 m), 6 mil, 7100169433
3M 22393, Roloc Disc 361F, 36 YF-weight, TR, 3 in, Die R300V, 7000045093
3M 21543, Scotch-Brite Roloc Clean and Strip XT Pro Extra Cut Disc, TR, 2 in x NH, A XCS, 7100179815, 60/box
Norton 66254489957 Wheel, Vortex-7am, 6" X 1/2" X 1" C2312 Nor VTME7 PH VTC+, 4 Each
3M 19674, Scotch-Seal Industrial Sealant 800, Reddish Brown, 5 oz Tube, 7000000792, 36/Case
3M 92576, Temflex Vinyl Electrical Tape 165, White, 3/4 in x 60 ft (19 mm x 18 m), 6 mil, 7100169491
3M™ 07012, Supplied Air Hose W-9435-100/07012(AAD), 100 ft, 3/8 in ID, Industrial Interchange Fittings, High Pressure, 7000005375, 1 EA/Case
3M 82238, Scotch-Weld Epoxy Adhesive 420, Off-White, Part B, 5 Gallon Drum(Pail), 7100001145
3M 33349, 641WY 1/4" X 24", 220 Mesh Diamond Cloth Belt, 7010534919
3M 76625, Roloc Disc 777F, 80 YF-weight, TR, 1 in, Die R100N, 7000045621
Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
3M 29830, Sanding Screen, 60 Grit, 19 in x NH, 7100160131
3M™ 72010, Replacement Filter Kit 523-01-29, 7000056891, 1 EA/Case
Dynabrade 15420 Dynafile III Abrasive Belt Tool
3M 16976, Scotch-Brite Light Cleansing Hand Pad 7445, HP-HP, Nepheline Syenite Super Fine, White, 6 in x 9 in, 7000000727, 60/Case
3M 71878, Flexible Diamond Hand File 6210J, Yellow 18, N40, NO 1, 7000082156, 10 per case
3M 24049, Wetordry Cloth Disc 281W, P1000 YF-weight, 8 in x NH, Die 800JM, 7000045052
3M™ 07011, Supplied Air Respirator Hose W-9435-50/07011(AAD), 7000005373, 1 EA/Case
Dynabrade 94992 1/4" Male Composite-Style Coupler with 1/4" Male Plug Assembly
3M 75951, 663FC 1" X 30", 20u Diamond Trizact Belts, 7100210975
Dynabrade 10690 Filter/Regulator/Lubricator, FRL40, 1/2" NPTAssy.
3M 25124, Scotch-Weld Threadlocker TL42, Blue, 1 L Bottle, 7010310189, 1/case
Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander
Dynabrade 51301 .5 hp Straight-Line Die Grinder
3M 22397, Roloc Disc 361F, 60 YF-weight, TR, 1-1/2 in x NH, 7000045097
Standard Abrasives 725013, Buff and Blend Cross Buff HP, A/O VFN, 1-1/2 in x 1/2 in x 2 Ply x 8-32, 7000046831
3M 22392, Roloc Disc 361F, 24 YF-weight, TR, 3 in, Die R300V, 7000045090
3M 27468, EMI Copper Foil Shielding Tape 1181, 1 in x 18 yd (25,40 mm x 16,5 m), 7000132169
3M 66261, Wind Protection Tape Edge Sealer W2600, 50 ml (1.7 fluid ounce), 7000049496, 12/Case 
