Can it be used on a plastic gas tank ?

Yes. You'll be fine. Know that it's very runny. Keep flat for 48 hours before moving. Not good for large gaps. May be cheaper to buy new gas tank, depending on size.

Does anyone know if this product will work on pvc & onto metal (steal)? I have a pvc slide valve with a metal stem I need to glue in place.

I've fixed gas tanks with it so it should

Can i use this to glue my resin aquarium ornament to a large flat rock????

3M marine adhesive is NOT safe for fish tanks... I have used my hot glue gun to attach ornamental plastic plants to the rocks in my tank without any adverse effects on my fish...

What type of adhesive should I get for inflatable Paddleboard? I want to glue some d rings onto the deck

3m marine 5200 is great adhesive. I used it to glue wood to fiberglass and it worked great.

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Marine Adhesive Sealant 5200, Mahogany, 295 mL Cartridge with Nozzle | Flexible Bonds, Long Work-Time

Product ID: 14774117

Details

Brand
3M
Item Weight
15.2 ounces
Item dimensions L x W x H
12 x 4 x 4
Material
polyurethane
Style
5200

⏳Up to 4 days flexible work-time

🌊Waterproof above & below waterline

💪5200 PSI ultimate bond strength

€ 58.61

Duties & taxes included

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

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

EXTENDED WORK TIME - Up to 4 days of curing time lets you perfect your application without rush.
UNMATCHED MARINE STRENGTH - Forms a weatherproof, permanent bond that outlasts the toughest ocean conditions.
FLEXIBLE SHOCK ABSORBING - Maintains elasticity to absorb vibration, swelling, and joint movement without cracking.
MULTI SURFACE COMPATIBILITY - Bonds wood, fiberglass, metals, plastics, and gelcoat seamlessly for versatile repairs.
SALTWATER WEATHER RESISTANT - Engineered to resist corrosion and degradation in harsh marine environments.

3M Marine Adhesive Sealant 5200 is a mahogany-colored polyurethane sealant designed for industrial marine use. It delivers a waterproof, flexible, and ultra-strong bond that cures over 4 days, ideal for sealing and bonding above and below the waterline on diverse materials like wood, fiberglass, and metal. Trusted for its durability against weathering, saltwater, and mechanical stress, it’s the go-to sealant for professional-grade marine applications.

Specifications

ASIN	B000HAB3GI
Best Sellers Rank	#4,290 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #62 in Industrial Joint Sealants
Brand Name	3M
Color	Mahogany
Compatible Material	Ceramic
Customer Reviews	4.5 4.5 out of 5 stars (10,531)
Global Trade Identification Number	00051135065020
Included Components	3M Marine Adhesive Sealant
Item Dimensions	12 x 4 x 4 inches
Item Form	Liquid
Item Weight	15.2 ounces
Manufacturer	3M
Material Type	polyurethane sealant
Model	5200
Number of Items	1
Part Number	00051135065020
Style Name	5200
Surface Recommendation	Floors,Walls,Wood
UPC	051135065020
Unit Count	10 Fluid Ounces
Water Resistance Level	Waterproof

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