3M™ Aerospace Sealant AC-350 is a family of intermediate density, fast-curing, polysulfide fuel tank sealants that provides outstanding resistance to aviation fuels and petroleum chemicals. Our Class A and B variants maintain bond strength on many metal, composite and coated substrates and help meet a range of applications for integral fuel tank and fuselage sealing.
FEATURES:

• Sealant resists aviation fuels and chemicals commonly used throughout the aviation industry
• Various work lives and cure rates help meet a variety of process demands
• Available in Class A, B and C to meet a range of requirements
• Maintains bond strength on many metal, composite and coated substrates
• Low shrinkage results in less rework