AC Tech® Aerospace Sealants are now part of the 3M family!

For over 14 years, civilian and military aircraft manufacturers have relied on quick-curing, lightweight polysulfide sealants from Advanced Chemistry and Technology (AC Tech) for sealing critical areas and to help prevent corrosion.

Now, with the recent acquisition of AC Tech by 3M, these advanced, pre-qualified products are now 3M Aerospace Sealants.

Enabling technology for building lighter aircraft components and structures

These highly-specialized, high performance sealants are precisely designed for many different applications, including sealing airplane fuel tanks, fuselages, access doors and windshields. They are trusted by engineers and maintenance professionals from companies around the world.

3M Aerospace Sealants - formerly AC Tech - are engineered to meet a variety of civilian authority and MIL-SPEC requirements. Many are also pre-qualified under aircraft manufacturers' QPL specifications.