Will it work on plastic tanks such as a weed eater?

I used this in May 2020 on a Honda mower tank - the one that was recalled for a leaky seam. It worked. But in September 2021 it started leaking again so that was only a temporary fix in this case. Not the product's fault.

is this for external use?

it can be used as an external but intended for internal. i have vast experience with por15, they make an incredible exterior rush proof coating as well.

do I need to use this on a new gas tank I bought to instal on my car?

No, it is not necessary, especially considering most new cars have plastic tanks that won't rust anyway. Don't go through the hassle of? removing you're gas tank and fuel pump just for the fun of it!!

I have a toy hauler trailer it has a 40 gallon fuel tank that is full of rust would this product remove rust and seal the tank ?

Hi, this will seal your tank but it won't remove the rust you'll have to use a rust remover first like evaporust or something !

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POR-15 49201 U.S. Standard Tank Sealer - 128 fl. oz.

POR-15 49201 U.S. Standard Tank Sealer - 128 fl. oz.

Product ID: 263048134

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Details

Brand
POR-15
Item dimensions L x W x H
6.5 x 6.5 x
Item weight
4.28 kg
Material
Silicone
Style
Compact

⛽Fuel-proof formula

🔧Bonds to rusted metal

🛡️Rust & leak stopper

Description

🛢️ Seal your tank, not your worries — POR-15 keeps your fuel safe and your ride unstoppable!

EASY INSPECTION - Light gray color lets you visually confirm coverage inside the tank
CHEMICAL BONDING POWER - Bonds directly to metal—even rusted surfaces 🔧
FLEXIBLE DURABLE FINISH - Permanently flexible to withstand tank movement and vibrations
UNMATCHED FUEL RESISTANCE - Impervious to all fuels including high-alcohol Stage II blends ⛽
PERMANENT RUST LEAK PROTECTION - Stops corrosion and seals pinholes for good 🛡️

POR-15 49201 U.S. Standard Tank Sealer is a high-tech, silicone-based liquid sealer designed to permanently protect metal fuel tanks from rust, leaks, and damage caused by all types of fuels including modern high-alcohol blends. Its chemically bonding formula ensures a flexible, durable, and visible coating that stops corrosion and seals pinholes, making it the go-to solution for professional-grade fuel tank restoration.

Specifications

ASIN	B00V98E918
Item model number	49201
Manufacturer	POR-15
Product Dimensions	6.5 x 6.5 x 7.5 cm; 4.28 kg

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