3M™ Marine Grade Silicone Sealant

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  • Silicone rubber sealant that is mildew resistant, non-sagging and moisture-curing
  • Remains flexible with excellent resistance to marine environment
  • Adheres to bare and painted metal, fiberglass, glass, non-oily woods and many plastics and abraded rubbers
  • Adheres to bare and painted metal, fiberglass, glass, non-oily woods, many plastics and abraded rubber
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3M™ Marine Grade Silicone Sealant is a high quality silicone designed for the harsh marine environment. It forms a mildew-resistant, non-yellowing seal that remains flexible even after years of exposure.

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.

  • Silicone rubber sealant that is mildew resistant, non-sagging and moisture-curing
  • Remains flexible with excellent resistance to marine environment
  • Adheres to bare and painted metal, fiberglass, glass, non-oily woods and many plastics and abraded rubbers
  • Adheres to bare and painted metal, fiberglass, glass, non-oily woods, many plastics and abraded rubber
  • Moisture-curing
Specifications
Adhesive Type
Silicone
Application Method
Hand or pressure caulk
Brand
3M™
Container Type
Cartridge, Tube
Full Cure
24 Hour
Industries
General Industrial, Marine
Physical Form
Medium paste
Product Color
Transparent, White
Product Form
Cartridge, Tube
Solids Weight Percent (Approximate)
98 Percent
Tack Free Time
5-10 Minute