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.

Dynabrade 69360 Composite Throttle Lever, For 3/16" (5 mm) Dia. Orbit Models
Insize MLP-MP53-U, MOUNTING PRESSES (ADVANCED TYPE), 6940561981742
Dynabrade 53556 Spindle
Dynabrade 78469 2" Dia. x 1", 1/4-20 Female Center Thread, A/O, 60 Grit, 8-Ply J-DynaCut Cross Pad, 100/pack
Dynabrade 80057 Motor Brush Set, 110/120V-60 Hz
Air Turbine Tools 2545SSVF - 1/4" Angle Hand Tool Series (Short Version, Front Exhaust), 40,000 RPM, 35548
Dynabrade 95600 Tune-Up Kit for .5 hp Motor
Dynabrade 94821 - 3/8" ID, 10' Long Air Hose Assembly, Female/ Male Fitting Ends Included
Dynabrade 51511 Industrial RED-TRED Eraser Disc Tool
Dynabrade 54791 4" (102 mm) Dia. Right Angle Type 27 Depressed Center Wheel Grinder, Steel Housing, .7 HP, 13,500 RPM, 3/8"-24 Spindle
Dynabrade 79033 1/2" W x 18" L 120 Grit A/Z DynaCut Belt, 50/pack
Dynabrade 01011 Vane Set (4pk)
Dynabrade 92248 4" Dia. x 1/2" W Bent Coarse Wire Wheel
Dynabrade 92867 - 5" (127 mm) Dia. x 1-1/2" (38 mm) W Heavy Duty DynaWheel Pneumatic Wheel
Dynabrade 52835 1/4" Drill, .4 HP, Rear Exhaust, 5,500 RPM
Dynabrade 56559 Front Bearing Plate
Dynabrade 91711 DynaMesh 3" 600 Grit Hook & Loop Discs, 50 per box
Dynabrade 25247 Valve Stem Ass'y
Dynabrade 90996 Tungsten Carbide Insert, 1/8" Scribe
Dynabrade 93906 3" Dia. Continuous Rim Diamond Mounted Cut-Off Wheel
Dynabrade 56178 6" Dia. Vacuum Disc Pad, Vinyl-Face
Dynabrade 57814 3-2/3" W x 7" L Dynabug Orbital Sander, Central Vacuum, .28 HP, 10,000 RPM, 3/32" Orbit
Dynabrade 96359 Pliers
Dynabrade 96241 Bearing Press Tool
Dynabrade 79149 1/2" W x 24" L 80 Grit Ceramic DynaCut Belts, 50/pack
Dynabrade 13506 Dynastraight Finishing Tool, 1 HP, Rear Exhaust, 3,400 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor
Dynabrade 91142 1/4" W x 18" L 40 Grit A/O DynaCut Belt, 50/pack
Dynabrade 02387 Housing Ass'y for 53807, 24,000 RPM 
