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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3M マリン専用シーラント接着剤 5200 3 oz 05205 1

Product ID: 733283412

Details

Brand
3M
Item Weight
136 g
Item dimensions L x W x H
36 x 124 x 224
Material
Plastic
Style
5200

🌀Flexible under stress

🌊Waterproof & salt-resistant

🛠️Permanent structural bond

S$138

Duties & taxes included

In stock

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Description

🌊 Seal the deal with 3M 5200 — where strength meets flexibility in every drop!

TRUSTED BY PROFESSIONALS - 3M’s industry-leading formula ensures your marine projects stay secure and stylish.
UNMATCHED MARINE STRENGTH - Creates a permanent, waterproof bond that outlasts the toughest ocean conditions.
SALTWATER WEATHER WARRIOR - Engineered to resist corrosion, swelling, and weathering for long-lasting performance.
VERSATILE APPLICATION POWER - Perfect for wood, fiberglass, gelcoat, and more — from hull seams to deck fittings.
FLEXIBILITY MEETS DURABILITY - Absorbs vibration, expansion, and contraction without cracking or losing adhesion.

3M Marine Specialty Sealant Adhesive 5200 is a high-performance polyurethane sealant designed for permanent, waterproof bonding in marine environments. It offers exceptional flexibility to withstand structural movement, vibration, and impact, while resisting saltwater corrosion and harsh weather. Ideal for bonding wood, fiberglass, and gelcoat, this sealant is trusted by professionals for durable, long-lasting marine repairs and installations.

Specifications

ASIN	B000Y89JC8
Amazon Bestseller	#229,019 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #218 in Fishing Coatings & Adhesives
Brand Name	3M
Color	Black
Compatible Material	Wood
Customer Reviews	4.5 4.5 out of 5 stars (6,579)
Global Trade Identification Number	00051135052051
Included Components	Marine Sealant
Item Dimensions	36 x 124 x 224 mm
Item Type Name	Marine Sealant
Item Weight	136 g
Manufacturer	スリーエム(3M)
Material Type	Plastic
Model	5200
Number of Items	1
Part Number	051135052051
Style Name	5200
Surface Recommendation	Floor, Wall
UPC	051135052051
Unit Count	3.0 Count
Water Resistance Level	Waterproof

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