P/S 890 B-2 , 654 SEM KIT Uncategorized P/S 890 Class B is

P/S 890 Class B is a two-part

HMS 16-1097 - Type IV Class B-2 - BOEING HELICOPTER

and anti-wear protection

Viscosity @ 100°C

MM1081 - Class B-2

P/S 890 B-2 , 654 SEM KIT Uncategorized P/S 890 Class B isP S 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. P S Class B is an aircraft integral fuel tank sealant. It as service temperature range from 65F ( 54C) to 250F (121C), with intermittent excursions up to