WS-8020 RC Class B is a rapid cure two component polysulfide sealant designed to meet the requirements of both AMS-3276 and AMS-8802 fuel tank specifications.
It has outstanding adhesion to the common aerospace substrates as well as excellent sealing characteristics at temperatures ranging from -65°F (-54°C) to 250°F (121°C), including intermittent exposure up to 360°F (182°C).
WS-8020 RC Class B exhibits excellent elastomeric properties and retention after prolonged exposure to jet fuel and aviation gasoline. The uncured product is a low sag thixotropic paste suitable for application by extrusion gun or spatula.
SPECIFICATIONS: AMS-3276 Qualified AMS-S-8802 Type 2 Qualified FMS-1044 (B-1/2 & B-2) Qualified