PPG Aerospace - PRC-Desoto PR-1440 Class A - 1/2 hour application life - Fuel Tank Sealant PR-1440 Class A material is designed for brush sealing of fasteners in fuel tanks and other aircraft fuselage sealing applications. The uncured material is suitable for application by brush in thickness up to 25 mils. It cures at room temperature to form a resilient sealant having excellent adhesion to common aircraft substrates.
