PR-1773 Class B is a low adhesion, non-chromate, corrosion inhibitive sealant. It has a service tempera-ture range from -65°F (-54°C) to 250°F (121°C), with intermittent excursions up to 300°F (149°C). The material is designed for use as an access door sealant or in the fabrication of form-in-place (FIP) gaskets. This material acts as an effective barrier against the common causes of corrosion on aluminum alloys or between dissimilar metals. PR-1773 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 temper-ature to form a removable seal to common aircraft substrates. The following tests are in accordance with AMS 3284 Class B specification test methods.

SEALANT

Product Details

Manufacturer	PPG
Part Number	PR 1773 B2
Pack Size	100 ML KIT
Specification	PRC STANDARD
Hazmat	UN 3077

Availability

Under Lead Time (3–4 weeks)