PPG PR1775 B-2 Corrosion Inhibitive Sealant
PR-1775 Class B is a non-chromate, corrosion inhibitive sealant. It has a service temperature range for -67°F (-55°C) to 248°F (120°C), with intermittent excursions up to 300°F (149°C).
PR-1775 Class B is a non-chromate, corrosion inhibitive sealant.It has a service temperature range from -65°F (-54°C) to 250°F (121°C), with short term recurring exposure (approximately 6 hours) to 360°F (182°C). This material acts as an effective barrier against the common causes of corrosion on aluminum alloys or between dissimilar metals. The cured sealant maintains excellent elastomeric properties after exposure to both jet fuel and aviation gas.
PPG PR-1775 Class B is a two part, manganese dioxide cured, Permapol° P-5 polysulfide compound. The uncured material is a low sag,thixotropic pastesuitable for application by extrusion gun or spatula. Itcures at room temperatureto form a resilient sealant having excellent adhesion to common aircraft substrates.
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