Katerina Swanson
POR-15 Fuel Tank Sealer is a high-tech sealer that can be used to restore rusty and leaky fuel tanks. The sealer is impervious to all fuels, including diesel, E10 ethanol, and high-alcohol content fuels, and provides protection from rust, corrosion, and small fuel leaks. The product is available in a kit that includes a cleaner degreaser, metal prep, and detailed instructions. The kit is designed for a 25-gallon fuel tank or smaller, and it is important to follow the instructions carefully for the best results. Reviews of the product are generally positive, with users reporting successful restoration of old and rusty fuel tanks.
| Characteristics | Values |
|---|---|
| Use | Seals and repairs fuel tanks |
| Effectiveness | Stops rust, corrosion, and leaks |
| Resistance | Resistant to all fuels, alcohols, and additives |
| Use on | Metal tanks, including aluminium |
| Preparation | Requires cleaning and preparation before use |
| Application | Single application coating |
| Size | 8 fl. oz. |
| Colour | Silver |
| Safety | Wear gloves and eye, skin, and respiratory protection |
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What You'll Learn
Preparation
Cleaning and Degreasing:
Before applying the sealer, it is crucial to thoroughly clean the fuel tank. Start by removing any contaminants, such as gum, sludge, varnish, and grease, using a suitable cleaner or degreaser. This step ensures that the surface is free from substances that may hinder the adhesion of the sealer.
Rust Removal:
If your fuel tank has rust, it is important to address it before proceeding. One method is to use a product like Evapo-Rust, which effectively removes rust without the need for rinsing with water. After applying Evapo-Rust, consider rinsing the tank with acetone to avoid any residue. Additionally, you can pour vinegar into the tank, agitate it, and then neutralize the acid with a solution of distilled water and baking soda. Use urgency during this process to prevent flash rusting. Finally, thoroughly dry the tank to ensure no moisture remains.
Metal Preparation:
Once the tank is clean and rust-free, it's time to prepare the metal surface for better adhesion. Use a product like POR-15 Metal Prep to dissolve rust, coat the tank with zinc phosphate, and etch the metal. This step will help the sealer adhere more effectively to the tank's surface.
Tank Rotation and Coverage:
To ensure complete coverage of the sealer, it is important to rotate and roll the tank. This process ensures that the sealer coats all interior surfaces evenly. For larger tanks, consider using multiple kits to achieve full coverage. Remember that the tank should be able to be rolled or rotated comfortably to ensure a successful application.
Safety Precautions:
Always prioritize safety when working with sealers. Wear protective gear, including eye protection, skin protection, and respiratory protection. Use POR-15 products in a well-ventilated area, away from open flames, and always follow the instructions and cure times provided to ensure a safe and effective application.
By following these preparation steps, you can ensure that your POR-15 Fuel Tank Sealer application is successful, resulting in a strong, impervious barrier against rust, corrosion, and fuel leaks.
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Application
To apply the POR-15 Fuel Tank Sealer, follow these steps:
Firstly, ensure your fuel tank is free from contamination. If there is gum, varnish, sludge, or fuel inside, it must be removed. The tank should also be free from loose rust and old sealers. You can use the POR-15 Cleaner Degreaser to remove any contaminants and the POR-15 Metal Prep to remove rust and prepare the tank for sealing. Make sure the tank is thoroughly cleaned and etched for the best adhesion of the sealer. It is important to note that the sealer does not adhere well to plastic, so any plastic components should be removed before application.
Once your tank is properly prepared and cleaned, it's time to apply the sealer. For a 25-gallon fuel tank or smaller, you can use the POR-15 Fuel Tank Repair Kit, which includes all the necessary products for the job. Follow the detailed instructions provided with the kit to ensure a successful application.
Start by pouring the entire can of Fuel Tank Sealer into the tank. Swish it around to ensure full coverage of the interior. Let it sit for about an hour, then drain the excess sealer from the tank.
After sealing, it is recommended to use fuel preservation and stabilizer to maintain your fuel system and avoid "stale gas" problems.
For larger tanks, you may need multiple kits and ensure that the tank can be rolled or rotated to achieve full coverage. The POR-15 Fuel Tank Sealer is formulated for metal and is impervious to various fuels, including diesel, E10 ethanol, and high-alcohol content fuels. It creates a strong, impervious barrier against rust, corrosion, and leaks.
Always remember to wear eye, skin, and respiratory protection when applying the sealer and work in a well-ventilated area away from open flames.
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Curing
Before beginning the curing process, it is essential to follow the preparation steps outlined by the manufacturer. Firstly, the fuel tank must be free from plastic parts, contamination, and loose rust. Old sealers should also be removed, and the tank should be cleaned with a suitable cleaner degreaser, such as the POR-15 Cleaner Degreaser. Additionally, etching the tank with a product like POR-15 Metal Prep can improve adhesion.
Once the tank is clean and prepared, the curing process begins after the application of the POR-15 Fuel Tank Sealer. During the curing process, the sealer will harden and form a protective barrier on the surface of the fuel tank. This barrier is designed to stop rust, corrosion, and fuel leaks.
To ensure optimal curing conditions, maintain a consistent temperature between 60°F and 90°F (15°C and 32°C) and keep the tank away from direct sunlight and extreme temperatures. Good ventilation is also important during the curing process to ensure the evaporation of solvents and the proper hardening of the sealer.
After the specified curing time of 96 hours, the sealer should be fully cured and ready for use. It is important to follow the manufacturer's instructions and allow sufficient curing time before filling the tank with fuel or subjecting it to normal operating conditions.
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Removal
Removing the POR-15 Fuel Tank Sealer can be a challenging task, as it is a urethane-type glue designed to resist dissolution by solvents. While there is no single solvent that can dissolve the sealer, there are a few methods you can consider for its removal:
Mechanical Removal
One option is to physically remove the sealer through methods such as grinding, sanding, or sandblasting. These methods can be effective but may require significant effort and cause mess. Sandblasting is considered the preferred method among these options.
Aircraft Stripper or Citri-Strip
Using an aircraft stripper or Citri-Strip may provide some success in removing the sealer. However, it will likely require additional scraping, grinding, or sanding, and it may not deliver perfect results.
Dimethylformamide (DMF)
Dimethylformamide is a solvent that can be used to dissolve polyurethanes like the POR-15 sealer. However, it is important to note that DMF is not a healthy or environmentally friendly choice.
Heat
Applying heat to the sealer can soften it, making it easier to remove. However, this method should be approached with caution, as it may involve burning the coated item, generating potentially hazardous fumes.
POR-15 Strip Gel
If you are removing an old, failed sealer before applying a new one, POR-15 offers its own Strip Gel product. This gel can help remove the old coating before starting the repair process.
General Preparation Steps
Before removing the sealer, it is essential to ensure that the fuel tank is free of any plastic parts, as the sealer does not adhere well to plastic. Additionally, the tank should be cleaned with a degreaser and prepared with a metal prep solution to remove any contaminants, gum, varnish, or sludge, ensuring the best adhesion for the new sealer.
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Safety
Firstly, it is crucial to work in a well-ventilated area away from open flames. The application of the sealer should be done in a controlled environment to mitigate the risk of inhaling fumes, which can be hazardous to your health. It is also important to always wear protective gear, including eye protection, skin protection, and respiratory protection, to safeguard against any accidental contact or inhalation.
Before applying the sealer, thorough preparation of the fuel tank is essential. The tank must be free from plastic parts, contamination, and any structural damage. It is important to follow the manufacturer's instructions for cleaning and preparing the tank, which may include steps such as draining, rinsing, drying, and using specific cleaning products like POR-15 Cleaner Degreaser to ensure optimal adhesion of the sealer. Failure to adequately prepare the tank can result in the sealer not adhering properly, leading to potential issues down the line.
Another critical safety aspect is the avoidance of skin contact with the sealer. It is imperative to wear gloves and take extreme care to prevent the sealer from coming into contact with bare skin. If it does, immediate washing is necessary, as the sealer can harden and become extremely difficult to remove. This underscores the importance of taking preventive measures to protect your skin during the application process.
When working with larger tanks, such as those found in boats, it is important to consider the challenges of achieving complete coverage. The tank may need to be rolled or rotated to ensure the sealer coats all interior surfaces adequately. This can be a complex process and may require professional assistance to ensure safety and effectiveness.
Lastly, it is worth noting that some users have reported issues with the sealer hardening and becoming brittle over time, which can lead to hairline cracks and potential leaks. To address this, some individuals recommend having vapor monitoring systems in place, especially in enclosed spaces like boats, to ensure early detection of any potential issues and maintain safety.
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Frequently asked questions
The coverage of POR 15 Fuel Tank Sealer is 250 to 450 sq ft/gal.
POR 15 Fuel Tank Sealer takes 96 hours to cure.
POR 15 Fuel Tank Sealer creates a strong, impervious barrier against rust, corrosion, and ethanol fuels. It is also resistant to all fuels, alcohols, and additives.
To apply POR 15 Fuel Tank Sealer, first empty and wash the tank, then pour in the entire can of the sealer. Once all surfaces are coated, drain the excess sealer from the tank.
