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⚓ Seal your marine projects with confidence — don’t let leaks sink your style!
3M Marine 5200 Adhesive Sealant is a professional-grade, black polyurethane sealant designed for permanent, flexible bonding in demanding marine environments. It resists saltwater and weathering, absorbs structural stress, and achieves handling strength in 48 hours, making it the trusted choice for sealing wood, fiberglass, and metal on boats and marine equipment.







| ASIN | B000Y89JC8 |
| Best Sellers Rank | #25,739 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #32 in Adhesive Caulk |
| Brand | 3M |
| Brand Name | 3M |
| Colour | Black |
| Compatible Material | Wood |
| Country of Publication | USA |
| Customer Reviews | 4.5 out of 5 stars 6,599 Reviews |
| Global Trade Identification Number | 00051135052051 |
| Included Components | marine sealant |
| Item Dimensions | 36 x 124 x 224 Millimeters |
| Item Form | Ounces |
| Item Type Name | marine sealant |
| Item Weight | 136 g |
| Item dimensions L x W x H | 36 x 124 x 224 Millimeters |
| Manufacturer | 3M |
| Manufacturer Part Number | 051135052051 |
| Material | Plastic |
| Material Type | Plastic |
| Model | 5200 |
| Number of Items | 1 |
| Style | Compact |
| Style Name | Compact |
| Surface Recommendation | Floor, Wall |
| UPC | 051135052051 |
| Unit Count | 3.0 Fluid Ounces |
| Water Resistance Level | Waterproof |
N**A
Great product. Solves my problem.
The 3M White Marine 5200 sealant is great as it solves the issue of mine. Zedi Online was excellent in customer service response, as Mr. Aman is so responsive to my emails and messages as he was so great to help me with the fast delivery. He really puts 100% effort into resolving the issue and helping customers like me. From delivering on time, to giving great communication. A big Thanks to Aman as well as Zedi Online😊
P**Y
Good
Good Item
K**H
Worth the price
Expensive, does what it says. I had a leak in a glass roof and used this. It took a couple of days to dry but the leak has completely stopped.
N**L
Very good products
It's easy getting an overseas (U.S.A) products within 20-25days in India and the product quality is very satisfying, thanks Amazon & the seller.
D**G
Strong Sealant
I bought this product to convert my motorcycle tyre from tubed to tubeless. This sealant worked very well to seal the spokes on the wheel rim. I would recommend this product.
V**N
Best for converting tubes to tubeless rims
Perfect for those who are looking for sealing tubed spokes rims to tubeless.follow youtube videos and you are good to go. One catrige enough for sealing both wheels. Product is direct import from USA hence 2-3 weeks .one small negative was not providing the tip while it's usually provided along with all sealants
A**R
They are delivering product from outside india hence it may take a little time, please be patient
Thank you globalcamp
D**U
Effect on Heat and Oily surface
Is it heat proof and engine oil proof.. So I can use it in my motor bike engine to fix the head cover, Clutch cover... Is it work on hard paper board and Rubber surface.?
K**.
Quality, durability
I've used this for over 25 years in all sorts of applications. It's durable, reliable and permanent.
F**.
Great sealer for campers
Purchased this sealer to seal/repair the seam in between the two halves of my Bigfoot camper. Product worked awesome, sealed/fastened the two halves back together. Only issue is that it does take a few days to cure, and it is self leveling so it doesn’t like to stay in vertical gaps. If you require this product to reseal gaps you will need to use screws to hold the panels in place, and create a dam with masking tape to keep the sealer in place on vertical gaps until it cures
J**S
It works
I used this to seal the roof and rear hatch area of my van. This sealant is world class
C**N
Vale la pena cada centavo
Este pegamento es una bestia! Lo Utilice para unas botas y quedó incluso mejor que con la suela original, lo unico es que es dificil resellar
D**N
long set time- unmatched flexibility and toughness
I actually use this to seal up busted drysuit seams. It's thick, but pliable, and takes forever to set, but in that time it seeps into the neoprene pores and fills anything from problematic pinholes to blowouts. stuffs tough and flexible, just a pain to use because of the cure time. worth it though
Trustpilot
1 month ago
2 months ago