FUEL TANK SEALANT
PS 890 Class B is an aircraft integral fuel tank sealant with a service temperature range from -65°F (-54°C) to 250°F (121°C), and intermittent excursions up to 275°F (135°C).
Category | Sealants | Brand | PPG |
Part No. | PS 890 B2 | OEM Part No. | Not Avaliable |
Alt Part No. | Not Avaliable | Country of Origin | Not Available |
Pro Category | Not Available | Is Return | Yes |
This material is designed for fillet sealing of fuel tanks and other aircraft fuselage sealing applications. The cured sealant maintains excellent elastomeric properties after prolonged exposure to both jet fuel and aviation gas.
PS 890 Class B is a two-part, manganese dioxide cured polysulfide compound. The uncured material is a low sag, thixotropic paste suitable for application by extrusion gun or spatula. It cures at room temperature to form a resilient sealant having excellent adhesion to common aircraft substrates.
PS 890 B2