Welcome to AC TECH®
Aerospace Sealants of Choice™
sealants and specialty chemical products to the aerospace industry.

Advanced Chemistry and Technology (AC Tech) is the worldwide leader in the development and manufacturing of quick cure, light weight polysulfide sealants. Polysulfide sealants have been proven to be versatile, long lasting, and reliable. AC Tech’s high quality products, including non-chromate, corrosion inhibitive sealants, are used by aircraft and aerospace companies for various demanding applications. Boasting a wide range of the finest polysulfide sealants, AC Tech will outfit you with the appropriate product for any job.
The products in AC Tech’s line of high performance sealants are precisely designed for many different applications, including sealing airplane fuel tanks, fuselages, access doors and windshields. These highly specialized sealants are trusted by engineers from companies worldwide, including: Boeing, Bombardier, Dassault, Lockheed, Cessna, Gulfstream, and Embraer.
The products in AC Tech’s line of high performance sealants are precisely designed for many different applications, including sealing airplane fuel tanks, fuselages, access doors and windshields. These highly specialized sealants are trusted by engineers from companies worldwide, including: Boeing, Bombardier, Dassault, Lockheed, Cessna, Gulfstream, and Embraer.
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