Thermal & Fire Barrier
-65F to 400F, short term exposure to 2000F
TA Aerospace Fastblock® 100 is a solvent-based moisture cured aircraft firewall structure sealant/adhesive against passage of air, vapors and repair compound that may use to seal gaps and repair thermal blankets that have been torn or damaged. Sealing compound able to withstand flash temperature up to 2000˚F per FAA AC 20-135. Products are available in two colors off white and gray.