P/S 890 Class A is an aircraft integral fuel tank sealant. It has a service temperature range from -65°F (-54°C) to 250°F (121°C), with intermittent excursions up to 275°F (135°C). This material is designed for brush and fay 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. P/S 890 Class A is a two-part, manganese dioxide cured polysulfide compound. 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. The following tests are in accordance with AMS-S-8802 Class A specification test methods.

FUEL TANK SEALANT

Product Details

Manufacturer	PPG
Part Number	PS 890 A2
Pack Size	PINTKIT
Specification	BMS 5-45 REV N CL A-2 GR 1
Hazmat	UN 1133

Availability

Under Lead Time (3–4 weeks)