Pro-Seal and similar products are two-part polysulfide integral fuel tank and fuselage sealants. They have exceptional strength and jet fuel resistance as well as excellent resistance to oils, solvents, all fuels, and weathering. We offer a Pro-Seal equivalent which is a B-2 type material and meets specification MIL-S-8802E, Type II, Class B-2. These kits are packaged in poly bags with nozzle, plunger and instructions.
What is the maximum operating temperature of Pro-Seal after it has cured?
It has a service temperature range from -65*F (-54*C) to 250*F (121*C), with intermittent excursions up to 275*F (135*C). Is this Pro-Seal product compatible with methanol?
The tech data sheet only refers to aviation and jet fuel. It has been used in race vehicles that use many alcohol type additives without any known problems, but the supplier will not recommend it since it has not been lab tested.
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