Does the 10oz. Silicone require purchasing a special caulk gun? I was previously shipped tubes made of metal with pull tap opening like on a soup can

I was concerned as well but it has an internal plastic follower cup that a traditional caulking gun presses against: Similar to the traditional caulk tube. The additional metal seal helps to prolong the storage of the adhesive sealant.

Has anyone tried mixing a color pigment into the glue before application? Will this effect the cure?

I have not and can only advise you give 3M support line a call and ask them and if you can I am sure they will tell you which coloring to use. I would not just mix in any color you don't know how the glue will react to it. Give 3M a call I am sure they will be glad to help.

My kitty put a couple of pin hole sized punctures in my scuba bcd, causing a small, slow leak. will this patch it?

Yes it will. Allow five days to cure. Don’t use the fast cure.

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⚓ Seal your legacy with 3M Marine 5200 — the bond that never lets go!

AMPLE WORKING TIME - Generous open time lets you perfect your application before it sets, with handling strength in 48 hours.
FLEXES WITH THE WAVES - Elastomeric polyurethane absorbs vibration, swelling, shrinking, and shock without cracking.
UNBREAKABLE MARINE SEAL - Creates a permanent, watertight bond on wood, fiberglass, and metal for ultimate durability.
SALTWATER PROOF PERFORMANCE - Engineered to resist harsh saltwater and weathering both above and below the waterline.
VERSATILE APPLICATION MASTERY - Ideal for deck housings, hull fittings, portholes, and more — trusted by pros for every marine challenge.

3M Marine 5200 Adhesive Sealant is a professional-grade, black polyurethane sealant designed for permanent, flexible, and waterproof bonding in demanding marine environments. It withstands saltwater, weathering, and structural stress, offering a 48-hour handling time and versatile use on wood, fiberglass, and metal surfaces both above and below the waterline.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

€ 121.13

Duties & taxes incl.

Slovakiastore

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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Material	Plastic
Brand	3M
Style	Compact
Item Weight	0.3 Pounds
Item dimensions L x W x H	36 x 124 x 224 Millimeters
Water Resistance Level	Waterproof
Item Form	Ounces
UPC	051135052051
Net Quantity	3.0 millilitre
Global Trade Identification Number	00051135052051
Number of Items	1
Colour	Black
Surface Recommendation	Floor, Wall
Manufacturer	3M
Country of Origin	USA
Model number	5200
Special Feature	Strong
Item Weight	136 g
Product Dimensions	3.56 x 12.45 x 22.35 cm; 136.08 g
Item model number	5200
Item Height	8.8 Inches
Item Width	4.9 Inches
Included Components	marine sealant
Are batteries included?	No
Lithium battery voltage	0.1 Nanovolts

3M Marine 5200 Adhesive Sealant, Black, 3 oz by 3M

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