How long does fuel tank sealer take to dry?
Allow 96 hours for drying. Air-dry tank in well ventilated area, drying time can be improved by using a low pressure blower or hair dryer (low or no heat) and circulating it through one hole in tank and out another. DO NOT REUSE SEALER.
Allow the tank 96 hours for the sealer to fully cure in the tank (force drying does not speed up the process) just allow the tank to air dry in a well ventilated area.
POR-15 Fuel Tank Sealer is a high-tech sealer impervious to all fuels, including the new Stage II fuels which have a higher alcohol content, and additives. It has superior strength and fuel resistance. POR-15 Fuel Tank Sealer stops rust, corrosion, and fuel leaks.
The short answer is YES, you can paint your propane tank. It's important to remember, however, that you can't paint it just any color, nor can you use just any paint.
The fuel tank sealer does much of the work for you, working its way into seams and sealing pin holes. If the tank is suffering from more significant holes or cracks, either welding or sealing them externally with an epoxy repair filler may be required before applying the sealer.
Prevent Rust In Your Motorcycle Gas Tank And Your Motorcycle Parts
It has superior strength and fuel resistance. POR-15 Fuel Tank Repair Kit is more than just pouring in a quart of sealer and sloshing it around. If gum, varnish, sludge, or fuel are inside, they must be removed first. Our POR-15 Fuel Tank Sealer, like all other sealers, will not work in a contaminated tank.
POR 15 Gas Tank Sealer "How-to Seal a Gastank" - YouTube
A: No, Flex Seal is not made to withstand extreme heat or pressure. Q: Can I use it on a gasoline tank? A: No, Flex Seal should not be used to seal a gasoline tank, oil tank or any other flammable material.
The fastest method is to drain the tank of water for 5 minutes and then pour 1 pint of M.E.K. or acetone into the tank, slosh thoroughly and pour out. Repeat with a second pint of M.E.K. or acetone and you are ready to use Red-Kote immediately after draining.
Can you tape a gas leak?
LLFA Tape is a self-fusing silicone-based tape designed to seal leaks in harsh weather conditions and is currently used as a temporary or permanent repair for natural gas leaks.
Unless the gas tank has already been removed from the vehicle, you can't repair it without getting underneath it. Most leaks are visible from the underside and can easily be patched up.

Fuel Tank Sealer - The POR15 Fuel Tank Sealer is resistant to fuels, alcohols and fuel additives. Fuel tank sealer is poured into the tank and then the tank rotated in all directions to ensure the whole inside of the tank is coated.
Red-Kote Fuel Tank Sealer and Liner - YouTube
POR 15 Tank Sealer kit application & results. - YouTube