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PPG PRC DeSoto - Red PRC Standard Spec Corrosion Inhibitive Access Door Sealant | PR1773B2-60Z
A 6 oz SemKit of PPG Aerospace PRC-Desoto PR-1773 Class B low adhesion, non-chromate, corrosion inhibitive access door sealant with a 2 hour application life. NSN: 8030-01-418-5417. It has a service temperature 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 temperature to form a removable seal to common aircraft substrates.
