The POR15 Fuel Tank Sealer is suitable for use in steel or aluminium fuel tanks to seal seams, cracks and pinholes.Suitable for use in steel or aluminium fuel tanksResistant to fuels, alcohols and fuel additivesStrong permanent seal resists further corrosionThe 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. It chemically bonds to the tank forming a strong permanent seal which resists further corrosion.It is recommended that the tank is prepared using POR15 cleaner degreaser and then POR15 metal prep to ensure the tank is clean and rust free before using the tank sealer.Available in the following sizes - 8oz (236ml) - For tanks up to 17 litres, 1 pint (473ml) - For tanks up to 34 litres and 1 quart (946ml) - For tanks up to 68 litres.