Mercedes Mullins
POR-15 Fuel Tank Sealer is a high-tech sealer that can be used for new fuel tanks, custom fuel tanks, and fuel tank repairs. It is impervious to all fuels, including diesel, E10 ethanol, and high-alcohol content fuels. The sealer comes in a silver colour and has superior strength and fuel resistance. It also acts as a liner and stops rust, corrosion, and small fuel leaks. It is available in different sizes, including a pint, which can treat up to a 12-gallon tank.
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What You'll Learn
How to use POR 15 fuel tank sealer
POR-15 Fuel Tank Sealer is a high-tech sealer that can be used to seal and stop or prevent leaks in rusted or new custom metal fuel tanks. It is formulated for metal surfaces and is impervious to all fuels, including diesel, E10 ethanol, and high alcohol content fuels. The sealer comes in a silver colour and has superior strength and fuel resistance. It also acts as a liner and prevents rust, corrosion, and small fuel leaks.
Before using POR-15 Fuel Tank Sealer, the fuel tank must be free from plastic parts, contamination, and must be structurally sound. The tank should be free from loose rust and old sealers. It is recommended to use POR-15 Cleaner Degreaser and POR-15 Metal Prep for the best adhesion. The tank should also be drained, cleaned, and rinsed thoroughly with water before being allowed to dry completely.
Once the tank is dry, the entire can of POR-15 Fuel Tank Sealer can be poured into the tank. After all surfaces have been coated, the tank should be drained for about an hour to remove excess sealer.
It is important to wear proper personal protective equipment when using this product and to always use it in a well-ventilated area. Additionally, it is crucial to understand the proper chemical interactions of the products in your repair kit for the best possible bond of the sealer to the inside of the tank.
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Reviews of the product
Reviews for the POR-15 Fuel Tank Sealer are generally positive, with many customers reporting successful results in sealing leaking fuel tanks and stopping rust, corrosion and leaks. The product is said to be easy to use and apply, with some customers noting its effectiveness on old steel motorcycle tanks and diesel tanks.
One customer praised the product, saying, "Fuel or oils does not faze it at all. Amazing stuff. If you need to coat a fuel tank, this is the stuff! Wow!". Another customer reported, "I used this on a rusted tank from a DRZ400. [...] Very good product! Does exactly what it should!".
However, some customers have reported issues with the coating peeling off, and there are mixed experiences with leakage. Some customers have also mentioned that the product is expensive for the amount provided.
The preparation and cleaning process is also noted to be time-consuming, with one customer stating, "Using the POR-15 kit is not to be taken lightly, especially on rare or expensive tanks. It’s an all-day job, too, even after you get the tank off the bike and have removed the petcock, fittings, float, etc.".
Overall, the POR-15 Fuel Tank Sealer appears to be a well-regarded product that requires careful preparation and application for optimal results.
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Similar products
Eastwood's POR15 Small Fuel Tank Sealer Formula is available in a pint-sized container. This product is designed to seal off pinhole leaks and stop rust in its tracks, reviving old tanks. It has superior strength and is fuel-resistant, stopping corrosion and fuel leaks. It is safe to use on aluminium tanks.
POR-15 Fuel Tank Sealer is also available in a half-pint size. This anti-rust formula protects small fuel tanks from leaks while repairing existing pinholes. It is designed to work in metal gas tanks only.
For larger tanks, a quart-sized container of the small fuel tank sealer formula is available. This will treat up to a 25-gallon tank, although two quarts are recommended for most car tanks.
A similar product to the POR15 Fuel Tank Sealer is the POR-15 U.S. Standard Fuel Tank Sealer, available from 66 Auto Color. This product is designed for tractors, vehicles and marine use.
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Preparation of the fuel tank
Remove Rust and Old Sealers
Firstly, it is important to remove any loose rust and old sealers from the tank. This can be done by using a chain to loosen up the rust and then shaking and rinsing the tank with water. For stubborn rust, a product like vinegar can be used to soak the tank overnight, followed by a thorough rinse.
Clean the Tank
After removing rust and old sealers, the tank must be cleaned with a suitable cleaner. It is recommended to use a cleaner degreaser, such as the POR-15 Cleaner Degreaser, to ensure the tank is free of any contaminants. The tank should be washed with hot, soapy water and thoroughly rinsed with water from a running hose. All valves, sending units, petcocks, and internal filters should be removed, and only the fill spout should remain open.
Dry the Tank
Once the tank is clean, it is crucial to ensure it is completely dry before proceeding. Use a hair dryer or an air pump to speed up the drying process. It is important to rotate the tank to different positions every 10-15 minutes to ensure all areas are dried evenly.
Prepare the Surface
Before applying the sealer, the tank's surface should be prepared for optimal adhesion. This includes using a metal prep solution, such as the POR-15 Metal Prep, to etch the metal and improve the adhesion of the sealer. Follow the instructions on the metal prep product, as it may require dissolving rust and coating the tank with zinc phosphate.
Inspect the Tank
After the surface preparation, carefully inspect all areas of the tank to ensure there is no remaining rust or contaminants. The tank should have a uniform appearance, free of any residue.
Final Preparations
Before applying the sealer, ensure you have read and understood all the instructions for the sealer product. Plan your work so that the entire sealing process can be completed in one session, without allowing the tank to dry between steps. Wear proper personal protective equipment, including rubber gloves, as the sealer can be difficult to remove from the skin. Ensure the work area is well-ventilated.
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Safety precautions
When using the POR-15 Fuel Tank Sealer, it is important to take the following safety precautions:
Firstly, always read and follow the provided instructions before use. This product is designed for use with metal fuel tanks only, and the tank must be free from plastic parts, contamination, and loose rust. Old sealers should be removed, and the tank should be cleaned with POR-15 Cleaner Degreaser and etched with POR-15 Metal Prep to ensure the best adhesion of the new sealer. It is important to understand the proper chemical interaction between the products in your repair kit and the sealer.
Secondly, wear proper personal protective equipment, including gloves, when using this product. Avoid contact with bare skin at all costs, as the sealer will harden and become extremely difficult to remove. Keep the product away from your arms and wash it off immediately if contact occurs.
Thirdly, use this product only in a well-ventilated area. While the POR-15 Fuel Tank Sealer is non-flammable and environmentally safe, it is designed to be impervious to fuels with high alcohol content, which can be highly flammable.
Finally, ensure that you have the correct amount of product for your fuel tank. A pint of POR-15 Fuel Tank Sealer will treat up to a 12-gallon tank, but 2 pints are recommended for most car tanks to ensure full coverage.
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Frequently asked questions
POR 15 Fuel Tank Sealer is a high-tech sealer formulated for metal surfaces to make them impervious to all fuels, including diesel, E10 ethanol, and high alcohol content fuels.
First, ensure the metal surface is clean, dry, and free from rust, old sealers, and contaminants. Then, open the sealer and stir until a uniform colour is achieved. Pour the contents into the tank and roll the tank slowly to ensure it coats the insides uniformly. Drain the excess sealer and clean any spills immediately.
The sealer has a dry time of 96 hours or 4 days. During this time, it is important to ensure that the coated surface is not disturbed and that no fuel is added to the tank.
This product contains strong chemicals, so it is important to wear gloves and eye protection during application. Any spills should be cleaned immediately, as the sealer will become permanent once dried. It should also not come into contact with bare skin.
POR 15 Fuel Tank Sealer is specifically designed for metal surfaces and will not adhere well to plastic. Ensure that any plastic components are removed from the fuel tank before application.
