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PRC-DeSoto International
PR-1772 Low Weight Fuselage Sealant
Description
PR-1772 Class B is a low weight 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). It offers as much as a thirty percent weight savings, per unit volume, over traditional sealants used for these purposes. The cured sealant maintains excellent elastomeric properties after limited exposure to both jet fuel and aviation gas.

PR-1772 Class B is a two part, chemically curing 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.

The following tests are in accordance with Boeing specification BMS 5-142 Class B specification test methods

Technical Data Sheet for PR-1772 adobe.gif (112 bytes)

For more information about PR-1772 contact Bergdahl Associates, Inc.

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Issue date 03/2008