P/S 890 B-2 , 654 SEM KIT

Marsoni

M251S

$49.50

Get it in 3 business days with 1 day shipping. Friday, May 29

P/S 890 B-2 , 654 SEM KITP 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

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Reviewed in the United States on June 20, 2025