- 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
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.
The 3M™ Aerospace Sealant AC-350 family of polysulfide sealants provide a number of advantages and benefits compared to traditional sealants. With three classes, they meet a wide range of manufacturing and maintenance needs.
Our Class B version mixes to a thixotropic paste that provides superb tooling properties when applied by injection gun or spatula. 3M™ Aerospace Sealant AC-350 Class B has no added solvents, which gives you more sealant by purchase volume and reduces the need for rework due to shrinkage. Available in multiple work lives, with rapid cure times, AC-350 increases your workflow flexibility.
