3M Aerospace Sealant AC-350 Class B-2 Fuel Tank & Fuselage Sealant
Seal and repair aircraft integral fuel tanks and fuselages with the use of 3M Aerospace AC-350 Class B-2 fuel tank and fuselage sealant from SkyGeek. The formula of this fast-curing fuel tank sealant features intermediate density and is manganese dioxide-cured. A two-component, solvent-free compound forms a thixotropic paste with excellent tooling properties to make up this aerospace sealant. Once the paste has been cured, it provides excellent resistance to aviation gasoline, jet fuel and other common aviation chemicals.
Approvals, References and Specifications
Use InstructionsThe shelf life of 3M Aerospace Sealant AC-350 Class B is 9 months from date of packaging, when stored at temperatures below 80°F in its original unopened container.
Mixed 3M AC-350 Class B Sealants may be stored under refrigeration as follows:
It is important to remember that freezing, storing and thawing procedures reduce application life. Also, frozen storage will reduce application life by varying amounts depending on the storage temperature and length of storage time. All aspects of storage, freezing and thawing should be planned carefully and it is not recommended to mix and freeze with less than 1/2 hour of available application time.