
Rust Bullet is a product that is not affected by gas. However, it is not recommended for use as a small engine tank sealer on the inside of a small engine gasoline tank. Rust Bullet can be used on the exterior of the tank but was not designed for internal use. There is no guarantee that the inside of the tank will be covered evenly or thoroughly. The inside of the tank does not receive proper air circulation for the coating to cure properly.
| Characteristics | Values |
|---|---|
| Affected by gas | No |
| Designed for small engine tank sealer on the inside of a small engine gasoline tank | No |
| Designed for internal use on a small engine gas tank | No |
| Designed for external use on a small engine gas tank | Yes |
| Service temperature range after curing | 314°F (157°C) continuous |
| Maximum temperature tolerance | 617°F (325°C) to 662°F (350°C) for up to 72-hour periods |
| Recommended for coating exhaust systems | No |
| Application Guidelines | Included with every order and found on the Application and Technical Documents page |
| Safety recommendations | Included in the Rust Bullet Products SDS documents |
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What You'll Learn
- Rust Bullet is not recommended for use inside small engine gasoline tanks
- Rust Bullet can be used on the exterior of a fuel tank
- Rust Bullet should not be used on exhaust systems
- Rust Bullet coatings require adequate ventilation and fresh air during application
- Rust Bullet is toxic and can cause serious illness

Rust Bullet is not recommended for use inside small engine gasoline tanks
Rust Bullet is a protective coating that provides excellent surface protection and defence against corrosives and abrasives. It is widely used by several United States Government Military and Non-Military Agencies, including the Federal Aviation Administration, the United States Army, the United States Navy, and the United States Air Force.
Rust Bullet is not affected by gas or fossil fuels, including refined oils such as gasoline, diesel, jet fuels, and kerosene. It is also compatible with renewable fuels like biodiesel and ethanol. However, it is important to note that Rust Bullet was not designed for use as a small engine tank sealer on the inside of small engine gasoline tanks, such as those found in motorcycles and lawnmowers.
The Rust Bullet website explicitly states that they have not tested the product for this specific application and cannot guarantee the outcome. While it can be used on the exterior of these tanks, internal use is not recommended. This is because there is no assurance that the inside of the tank will be covered evenly or thoroughly. Proper air circulation is also required for the coating to cure properly, which may not be achievable inside a small engine gasoline tank.
Therefore, it is not advisable to use Rust Bullet inside small engine gasoline tanks. It is essential to follow the manufacturer's recommendations and application guidelines to ensure the product is used safely and effectively for its intended purposes.
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$17.99

Rust Bullet can be used on the exterior of a fuel tank
Before using Rust Bullet products, it is important to read the Application Guidelines thoroughly. The right coating system should be based on an analysis of the target substrate and the typically occurring atmospheric exposures. Rust Bullet, LLC is available to assist in this process. The information in Rust Bullet's FAQs and Technical Data is based on extensive laboratory testing, combined with field experience.
Rust Bullet provides excellent protection for most engine components but is not recommended for coating exhaust systems due to the excessive heat produced. After curing, all Rust Bullet coatings have a service temperature range of 314°F (157°C) continuous and can tolerate maximum temperatures between 617°F (325°C) and 662°F (350°C) for up to 72-hour periods.
A certain degree of risk is involved in the use of most industrial materials, and Rust Bullet is no exception. It is important to ensure adequate ventilation and fresh air when working with Rust Bullet coatings. It is also critical to avoid any conditions that may cause a fire, such as open flames, pilot lights, sparks, heating elements, or cigarettes.
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Rust Bullet should not be used on exhaust systems
Rust Bullet is a trusted source for premium garage floor paint and rust paint solutions. While it provides excellent protection for most engine components, it is not recommended for coating exhaust systems.
Exhaust systems, including headers, exhaust manifolds, catalytic converters, and exhaust pipes, produce excessive heat. All Rust Bullet coatings have a service temperature range of 314°F (157°C) continuous and can tolerate maximum temperatures between 617°F (325°C) and 662°F (350°C) for up to 72-hour periods. However, the extreme heat produced by exhaust systems can exceed these temperature thresholds, causing the Rust Bullet coating to disintegrate and potentially release harmful gases.
In one instance, a user applied Rust Bullet to the base of their catalytic converter to prevent a rusty bracket from breaking off. After a preliminary drive, they noticed a burning smell, raising concerns about the potential for fire or harmful gas release. While the coating may not cause an immediate issue, prolonged exposure to excessive heat could lead to undesirable outcomes.
Additionally, Rust Bullet is not intended for internal use within small engine gasoline tanks. It is designed for exterior application and has not been tested for internal sealing. There is no guarantee that it will evenly or thoroughly coat the inside of the tank. Therefore, Rust Bullet should only be used on the exterior of small engine gasoline tanks and not on the internal components.
In summary, while Rust Bullet is an effective solution for protecting engine components from rust, it should not be used on exhaust systems due to the excessive heat produced. Alternative solutions specifically designed for high-temperature applications should be considered to ensure the safety and integrity of the exhaust system and the vehicle as a whole.
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Rust Bullet coatings require adequate ventilation and fresh air during application
Rust Bullet is a permanent coating with anti-corrosive properties that can be used to treat rust on fuel tanks. While it is not designed for internal use on small engine gasoline tanks, it can be used on the exterior.
It is important to note that adequate ventilation and fresh air are required when working with Rust Bullet coatings. This is because the product gives off vapors that can be harmful if inhaled. The Rust Bullet Products SDS documents contain all the safety recommendations for preparation, application, and clean-up. It is recommended to wear protective clothing, gloves, goggles, and a NIOSH-approved respirator with an organic vapor chemical cartridge when applying the coating.
To ensure adequate ventilation, open windows and doors, or use fans to promote air circulation. However, be cautious when circulating air as this can increase the risk of particles coming into contact with the coating while drying and becoming permanently stuck.
It is also important to clean up any spills or drips immediately, as the product will harden and become difficult to remove. Overall, by following these safety guidelines and ensuring adequate ventilation and fresh air during the application of Rust Bullet coatings, you can help achieve a durable and high-quality finish.
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Rust Bullet is toxic and can cause serious illness
Rust Bullet is a super-tough, high-performance, industrial-grade coating that can be applied to new, clean metal or directly over surface rust. It provides permanent corrosion protection with phenomenal adhesion. However, it is important to note that Rust Bullet is toxic and can cause serious illness.
The Rust Bullet Solvent is a flammable liquid and vapour that is harmful or fatal if swallowed. It is also harmful if inhaled, as it may affect the central nervous system, causing dizziness, headache, or nausea. Prolonged or repeated contact with the solvent may dry the skin and cause irritation and burns. It is a respiratory and skin irritant and sensitizer, and should not come into contact with skin and eyes. It is also toxic to aquatic life, with long-lasting effects.
Additionally, if old paint is scraped, sanded, or removed, lead dust may be released. Lead is toxic, and exposure to lead dust can cause serious illnesses such as brain damage, especially in children. Pregnant women should also avoid exposure to lead. It is recommended to wear a NIOSH-approved respirator to control lead exposure and to clean up carefully with a HEPA vacuum and a wet mop.
While Rust Bullet has not been designed for internal use on small engine gasoline tanks, it is important to follow safety precautions when working with Rust Bullet coatings. Adequate ventilation and fresh air are crucial, and protective clothing, gloves, and eye protection are necessary during setup, application, and cleanup. It is also important to avoid any conditions that may cause a fire, such as open flames, pilot lights, sparks, heating elements, or cigarettes.
In summary, Rust Bullet is toxic and can cause serious illness if not used properly. It is important to follow all safety recommendations and precautions when working with Rust Bullet products to avoid any potential health risks.
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Frequently asked questions
No, Rust Bullet is not recommended for internal use on a small engine gas tank. It is designed for external use only.
No, Rust Bullet is not affected by gas.
The service temperature range of Rust Bullet coatings is 314°F (157°C) continuous. They can tolerate maximum temperatures between 617°F (325°C) and 662°F (350°C) for up to 72-hour periods.











































