Flamemaster CS- Prefix Sealants

Chemseal-Flamemaster Aircraft Sealant

While BAC stocks the most popular Flamemaster sealants and sizes, some sealants listed are special order only due to low demand and limited shelf life.  Special order sealants typically have a 3-6 week lead time.  If you do not see your sealant listed, please call us at 888-239-6625. You can also check for possible substitutes with our sealant cross reference guide.

Flamemaster's two-part aircraft sealants are trusted solutions in the aviation industry, designed to meet rigorous standards for performance and reliability. These sealants are engineered to provide exceptional adhesion, flexibility, and resistance to fuels, oils, and environmental conditions, making them ideal for sealing fuel tanks, pressurized cabins, and external aircraft surfaces. The two-part formulation combines a base compound and curing agent, which are mixed before application to ensure a consistent and durable bond. Flamemaster sealants are easy to apply using standard tools and offer customizable working and curing times to suit various maintenance and repair needs. Certified to meet aviation regulatory requirements, these products contribute to the long-term safety and efficiency of aircraft systems. By choosing Flamemaster’s high-quality sealants, maintenance teams can ensure reliable performance and protection in demanding operational environments.