PS890B is a high-performance fueltank sealant specifically formulated for use in aircraft fuel tank sealing applications. Developed to meet stringent aviation industry standards, this sealant offers exceptional resistance to aviation fuels, oils, hydraulic fluids, and other chemicals commonly found in aircraft fuel systems. With its superior adhesion, flexibility, and durability, PS890B provides reliable sealing and protection for aircraft fuel tanks, ensuring safety and integrity in flight operations.