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 05137, Scotch-Brite EXL Deburring Wheel, XL-WL, 9S Fine, 10 in x 1 in x 5 in, 7000046072
3M 50416, Fibre Disc 501C, 80, 4-1/2 in x 7/8 in, Die 450E, 7100039022
3M 29611, 641WY 1/4" X 24", 100 Mesh Diamond Cloth Belt, 7010534832
Dynabrade 78312 6" Dia. x 1" W x 1" Center Hole, 120 Grit, A/O, DynaCut Flap Wheel
ACS Flap Disc, Type 29 (Curved) Full Diamond 4-1/2 X 5/8-11 60M, 333.FD4.5-60/T29
3M 89613, Fibre Disc 782C TN Quick Change, 4-1/2 in 80+, 7100099269
3M 27661, Cubitron II Fibre Disc 987C, TN Quick Change, 4-1/2 in, 60+, 7100068024
3M 89651, Fibre Disc 787C TN Quick Change 787C, 4-1/2 in 80+, 7100099277
3M 27447, Cubitron II Fibre Disc 987C, 36+, 4-1/2 in x 7/8 in, Die 450E, 7000119175
Dynabrade 95722 Threaded Mandrels, 1/4" Dia x 1/4" Shank
Dynabrade 96007 Tune-Up Kit for .5hp Motor
3M 77597, Fibre Disc 381C, 50, 4-1/2 in x 7/8 in, Die 450E, 7000118936
Dynabrade 25234 Vane Set (4pk)
Dynabrade 54705 Rotor/Vane Set
3M 77559, Cubitron II Hookit Cloth Disc 784F, 77559, 36+ to 120+, 5 in x NH, Die 500X, 7100232738
Standard Abrasives 713290, Spiral Band, 2 in x 2 in 60, 7010310545
3M 87254, Fibre Disc 782C, 87254, 4-1/2 in x 7/8 in, 36+, 7100109858
3M 22394, Roloc Disc 361F, 50 YF-weight, TR, 3 in, Die R300V, 7000045096
3M 87252, Cubitron II Fibre Disc 987C, 60+, 4-1/2 in x 7/8 in, Die 450E, 7100109859
3M 50419, Fibre Disc 501C, 120, 4-1/2 in x 7/8 in, Die 450E, 7010359711
3M 21543, Scotch-Brite Roloc Clean and Strip XT Pro Extra Cut Disc, TR, 2 in x NH, A XCS, 7100179815, 60/box
3M 06742, Overspray Protective Sheeting, 20 ft x 250 ft, 7000120043 
