Description
3M 5 320gr Adhesive Sealant | Boat Supply Store
Secure critical bonding and sealing operations on your vessel with this high-performance 3M adhesive sealant. Engineered for demanding marine environments, it delivers a Shore A hardness of 55, providing robust flexibility and adhesion in temperatures ranging from -40°F to 194°F. This versatile product is essential for maintaining hull integrity and deck watertightness, particularly for offshore fishing craft operating in the Gulf of Mexico.
Key Features
- Achieve superior adhesion on diverse substrates.
- Ensure long-lasting, watertight seals.
- Withstand extreme temperatures from -40°F to 194°F.
- Maintain flexibility with a Shore A hardness of 55.
- Resist environmental degradation and UV exposure.
- Formulated for reliable performance in saltwater conditions.
- Simplify application with a non-sagging consistency.
- Prevent water intrusion and corrosion effectively.
Specifications
| Product Specifications | |
|---|---|
| Application Temperature Range | -20 to 120 °F (-29 to 49 °C) |
| Cure Time | 72 Hours |
| Hardness | 55 Shore A |
| Service Temperature | -40 to 194 °F (-40 to 90 °C) |
| Specific Gravity | 1.23 |
| Tensile Strength | 350 psi |
Who This Is For
Boat owners and marine maintenance professionals requiring a durable, flexible adhesive sealant for hull, deck, and component bonding. Ideal for applications demanding resistance to harsh marine elements and temperature fluctuations.
How It Compares
| Feature | 3M 5 320gr Adhesive Sealant | Sikaflex |
|---|---|---|
| Type | Adhesive Sealant | Sealant Adhesive |
| Tensile Strength | 350 psi | 300 psi |
| Hardness | 55 Shore A | 50 Shore A |
| Service Temperature (Max) | 194 °F | 185 °F |
Common Concerns Answered
Will this sealant crack or peel over time in marine environments?
This 3M adhesive sealant is engineered with a Shore A hardness of 55, providing excellent flexibility to accommodate hull movement and temperature changes, thereby preventing cracking or peeling under normal marine conditions.
Is this product suitable for direct saltwater exposure?
Yes, it is formulated to resist degradation from saltwater and UV exposure, ensuring long-lasting performance and protection against water intrusion even in harsh marine environments.
How long does it take for the sealant to fully cure?
The product typically requires 72 hours for a full cure, ensuring a robust and permanent bond once applied according to manufacturer guidelines.
Frequently Asked Questions
What is the application temperature range for this 3M sealant?
The application temperature range is between -20°F to 120°F (-29°C to 49°C).
Can this sealant be used on fiberglass and wood?
This adhesive sealant provides strong adhesion to a wide variety of marine substrates, including fiberglass, wood, metal, and plastics.
What is the specific gravity of this product?
The specific gravity of this 3M adhesive sealant is 1.23.
What is the maximum service temperature this sealant can withstand?
It can withstand a service temperature of up to 194°F (90°C).
Is special preparation required before applying this sealant?
Surfaces should be clean, dry, and free from oil, grease, and loose debris for optimal adhesion. Refer to the product data sheet for detailed surface preparation guidelines.
