🔧 Seal it like a pro—durability meets speed in every drop!
3M 540 Marine Grade Polyurethane Sealant is a fast-curing, one-component adhesive designed for demanding construction and marine applications. With a 90-minute skin time and full waterproof cure within 24-48 hours, it bonds securely to a wide range of materials including metals, plastics, and masonry. Certified to ASTM standards and flame rated, this sealant offers ±25% joint flexibility and is ideal for submerged and exposed environments, delivering professional-grade performance at a competitive price.
| ASIN | B071R6D9HM |
| Best Sellers Rank | #336,217 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #136 in Polyurethane Adhesives #316 in Urethane Adhesives |
| Brand | Industrial 3M Sealants |
| Date First Available | January 18, 2017 |
| Full Cure Time | 24 Hours |
| Initial Hardening Time | 6E+1 Minutes |
| Is Discontinued By Manufacturer | No |
| Item Form | Paste |
| Item Weight | 0.01 ounces |
| Item model number | 540 |
| Liquid Volume | 600 Milliliters |
| Manufacturer | Scotch Seal |
| Number of Items | 12 |
| Product Dimensions | 18 x 8 x 9 inches |
| Surface Recommendation | Miscellaneous |
| Tensile Strength | 250 Pounds Per Square Inch |
| UPC | 700287223535 |
| Unit Count | 12.0 Count |
| Water Resistance Level | Waterproof |
Trustpilot
3 weeks ago
1 week ago
