--- product_id: 144822067 title: "7000000623 Marine Adhesive Sealant - 10 oz., White" brand: "3m" price: "€ 43.36" currency: EUR in_stock: true reviews_count: 9 category: "3 M" url: https://www.desertcart.sk/products/144822067-7000000623-marine-adhesive-sealant-10-oz-white store_origin: SK region: Slovakia --- # Extended 48-hour handling strength Permanent bonding above & below waterline 700 PSI tensile strength polyurethane 7000000623 Marine Adhesive Sealant - 10 oz., White **Brand:** 3m **Price:** € 43.36 **Availability:** ✅ In Stock ## Summary > ⚓ Seal your legacy with 3M’s marine-grade powerhouse! ## Quick Answers - **What is this?** 7000000623 Marine Adhesive Sealant - 10 oz., White by 3m - **How much does it cost?** € 43.36 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/144822067-7000000623-marine-adhesive-sealant-10-oz-white) ## Best For - 3m enthusiasts ## Why This Product - Trusted 3m brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Extended Working Time:** Allows precision application without rush, perfect for pros - • **Fast Handling Strength:** Achieves reliable handling strength in just 48 hours - • **Flexible Yet Tough Seal:** Polyurethane polymer flexes with structural movement and vibration - • **Multi-Surface Compatibility:** Bonds wood, gelcoat, fiberglass seamlessly for versatile marine repairs - • **Unmatched Marine-Grade Durability:** Industry-trusted for 50+ years of waterproof, permanent adhesion ## Overview 3M Marine Adhesive Sealant 5200 is a one-component, moisture-curing polyurethane designed for permanent, waterproof bonding above and below the waterline. Trusted for over 50 years, it offers a tough yet flexible seal with 700 PSI tensile strength, curing to handling strength in 48 hours. Ideal for wood, gelcoat, and fiberglass, it withstands vibration, swelling, and shock, making it the go-to sealant for professional-grade marine and structural repairs. ## Description 3M Marine Adhesive Sealant 5200 is a one-component, high-strength, moisture-curing, gap-filling polyurethane for permanent bonding of wood, gelcoat and fiberglass. It cures to form a firm, rubbery, waterproof seal on joints and boat hardware, above and below the waterline. 3M Marine Adhesive Sealant 5200 offers permanent adhesion to wood, gelcoat and fiberglass. In addition, our marine adhesive sealant is flexible and allows for structural movement and dissipation of stress that may be caused by vibration, swelling, shrinking or shock. Review: Excellent product - I have all votes my whole life and this product. I have used hundreds of times and it’s always solves any issue. It’s just amazing how much more than it cost now. Review: Good product - Strong bond ## Features - Permanent bonding – above and below the waterline - Industry standard for over 50 years - Offers extended working time - Achieves handling strength in 48 hours - Tough and flexible polyurethane polymer forms strong bonds ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00AZA3DY0 | | Best Sellers Rank | #26,917 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #92 in Adhesive Caulk | | Brand | 3M | | Brand Name | 3M | | Color | No Color | | Compatible Material | Wood | | Container Type | Can | | Customer Reviews | 4.1 out of 5 stars 470 Reviews | | Full Cure Time | 48 Hours | | Included Components | 3M 7000000623 Marine Adhesive Sealant - 10 oz., White | | Item Form | Oz | | Item Package Quantity | 1 | | Item Type Name | 3M 7000000623 Marine Adhesive Sealant - 10 oz., White | | Item Weight | 14.4 ounces | | Manufacturer | 3M | | Material | Plastic | | Material Type | Plastic | | Model | 7000000623 | | Other Special Features of the Product | Strong | | Part Number | 7000000623 | | Special Feature | Strong | | Specific Uses For Product | Fleet and plant maintenance. | | Tensile Strength | 700 Pounds Per Square Inch | | UPC | 638060094990 | | Unit Count | 10.0 Fluid Ounces | | Volume | 10 Fluid Ounces | | Warranty Description | Warranty | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** 3M - **Color:** No Color - **Full Cure Time:** 48 Hours - **Item Weight:** 14.4 ounces - **Liquid Volume:** 10 Fluid Ounces ## Images ![7000000623 Marine Adhesive Sealant - 10 oz., White - Image 1](https://m.media-amazon.com/images/I/51hZGj4DiXL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Can i use this to seal my rv?** A: depends what you are sealing on your Rv, but I can see a lot of areas were you could use this product on your RV as RV's are made of fiberglass and a lot alike a boat. **Q: Can this product be used on marine vinyl flooring?** A: yes. works on almost anything. best on market. **Q: Stitch and glue? Coverage?** A: Coverage with anything all depends on the thickness you use. That’s about all I can tell you, I use it on the hull of a boat for making a water tight seal. Of transducers Ect. It’s great for that. I have used this product for well over 30 yrs for just those purposes. I guess it could work on some plumbing applications you would have to try it . That’s about all I can say **Q: Will this sealant bond lpe wood (which I understand has natural oils in it)?** A: Yes it will ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent product *by R***L on April 21, 2026* I have all votes my whole life and this product. I have used hundreds of times and it’s always solves any issue. It’s just amazing how much more than it cost now. ### ⭐⭐⭐⭐⭐ Good product *by A***R on April 7, 2026* Strong bond ### ⭐ Great product! But terrible handling of the product *by P***H on May 5, 2023* 3M 5200 may be the best product on the market for sealing boats. If the product doesn’t come undamaged you can’t use it. The product doesn’t come with an applicator tip you can’t use it. What’s wrong with Amazon in their shipping? You shipped me a product which was damaged and unusable AND NO APPLICATOR TIP! wasting my time not only can I not get my project done on time I have to get in the car and drive to the UPS store to return your product. Why did you send it to me a damaged tube in the first place with no tip, is this a joke. Maybe one of your fancy robots did it but if an employee did it, maybe they should be retrained! Thank you. Sincerely, for wasting my time. I only hope that the replacement is in usable condition with an applicator tip. ## Frequently Bought Together - 3M 7000000623 Marine Adhesive Sealant - 10 oz., White - 3M Marine Adhesive Sealant Fast Cure 4200 (06560) – Semi-Permanent Flexible Adhesive Sealant for Boats and RVs, White, Flexible Bonds, Underwater-Safe, 295 mL Cartridge --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/144822067-7000000623-marine-adhesive-sealant-10-oz-white](https://www.desertcart.sk/products/144822067-7000000623-marine-adhesive-sealant-10-oz-white) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-05-27*