---
product_id: 41927701
title: "3M 540 (Gray) Marine Grade 20-oz Polyurethane Sealant Adhesive 600mL Sausage Pack (CASE of 12 Each)"
brand: "industrial 3m sealants"
price: "€ 763.92"
currency: EUR
in_stock: true
category: "Industrial 3 M Sealants"
url: https://www.desertcart.fr/products/41927701-3m-540-gray-marine-grade-20-oz-polyurethane-sealant-adhesive
store_origin: FR
region: France
---

# Waterproof & marine grade Bonds to 10+ materials 90 min skin time 3M 540 (Gray) Marine Grade 20-oz Polyurethane Sealant Adhesive 600mL Sausage Pack (CASE of 12 Each)

**Brand:** industrial 3m sealants
**Price:** € 763.92
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it like a pro—durability meets speed in every drop!

## Quick Answers

- **What is this?** 3M 540 (Gray) Marine Grade 20-oz Polyurethane Sealant Adhesive 600mL Sausage Pack (CASE of 12 Each) by industrial 3m sealants
- **How much does it cost?** € 763.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/41927701-3m-540-gray-marine-grade-20-oz-polyurethane-sealant-adhesive)

## Best For

- industrial 3m sealants enthusiasts

## Why This Product

- Trusted industrial 3m sealants brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Flexible & Durable:** ±25% joint movement capability ensures long-lasting elasticity without cracking or peeling.
- • **Built for the Elements:** Marine-grade waterproof sealant that stands strong even underwater after full cure.
- • **Universal Bonding Power:** Adheres flawlessly to plastics, metals, masonry, wood, and more—one sealant to rule them all.
- • **Fast-Track Your Projects:** Tack-free in just 60 minutes to keep your workflow seamless and efficient.
- • **Certified Quality Assurance:** Meets ASTM C-920 and flame/smoke ratings for professional-grade safety and performance.

## Overview

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.

## Description

M Polyurethane Sealant 540 is a high performance, fast curing, one component, moisture curing product which forms a permanent elastic bond to a wide variety of materials including plastics, FRP, SMC, aluminum, masonry, steel, coated metal, and wood. This product is ideally suited for a number of construction applications including; expansion joints, control joints, doors and windows, aluminum curtain walls and storefront glass, as well as precast and tilt-up construction. 3M Polyurethane Sealant 540 is Tack-free in 60 minutes per ASTM C679, features a Joint movement capability of ±25%, and once fully cured is suitable for Submerged waterproof applications. Comparable to 3M 5200 Marine sealant but half the price! Meets ASTM C-920 ( 00068060471994 , 50068060471999 , 50068060471999 , 70068060471993 )

## Features

- 90 Minute Skin Time, Paintable after Tack-Free
- Waterproof, Marine Grade, and Suitable for Submerged waterproof applications after 24-48 hours
- Bonds to; Plastics, FRP, SMC, Concrete, Brick, Masonry, aluminum, steel, coated metal, and wood
- Smoke, and Flame Rated, Meets ASTM C-920, ASTM C679
- 00068060471994 , 50068060471999 , 50068060471999 , 70068060471993

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |

## Product Details

- **Brand:** Industrial 3M Sealants
- **Full Cure Time:** 24 Hours
- **Initial Hardening Time:** 6E+1 Minutes
- **Item Weight:** 0.01 Ounces
- **Liquid Volume:** 600 Milliliters

## Images

![3M 540 (Gray) Marine Grade 20-oz Polyurethane Sealant Adhesive 600mL Sausage Pack (CASE of 12 Each) - Image 1](https://m.media-amazon.com/images/I/31yLXJ5YutL.jpg)
![3M 540 (Gray) Marine Grade 20-oz Polyurethane Sealant Adhesive 600mL Sausage Pack (CASE of 12 Each) - Image 2](https://m.media-amazon.com/images/I/41fu2FyAHjL.jpg)
![3M 540 (Gray) Marine Grade 20-oz Polyurethane Sealant Adhesive 600mL Sausage Pack (CASE of 12 Each) - Image 3](https://m.media-amazon.com/images/I/51MIWE5byGL.jpg)
![3M 540 (Gray) Marine Grade 20-oz Polyurethane Sealant Adhesive 600mL Sausage Pack (CASE of 12 Each) - Image 4](https://m.media-amazon.com/images/I/51uUMOph3RL.jpg)
![3M 540 (Gray) Marine Grade 20-oz Polyurethane Sealant Adhesive 600mL Sausage Pack (CASE of 12 Each) - Image 5](https://m.media-amazon.com/images/I/51vpA8ZzDOL.jpg)

## Questions & Answers

**Q: Is this compatible with Icf blocks? (Polystyrene)**
A: Yes, ICF is one of the things I used it on

## Frequently Bought Together

- 3M 540 (Gray) Marine Grade 20-oz Polyurethane Sealant Adhesive 600mL Sausage Pack (CASE of 12 Each)
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**Shop now:** [https://www.desertcart.fr/products/41927701-3m-540-gray-marine-grade-20-oz-polyurethane-sealant-adhesive](https://www.desertcart.fr/products/41927701-3m-540-gray-marine-grade-20-oz-polyurethane-sealant-adhesive)

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-01-24*