PPG PR1775 B-1/2 Corrosion Inhibitive Sealant
PPG PR1775 Class B is a chromate-free, corrosion inhibitive two-part sealant. An effective barrier against the common causes of corrosion on aluminium alloys or between dissimilar metals, the cured sealant maintains excellent elastomeric properties after limited exposure to both jet fuel and aviation gas.
Data Sheets
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Product Information
It is a manganese dioxide cured, Permapol P-5 polysulfide compound. The uncured material is a low sag, thixotropic paste suitable for application by extrusion gun or spatula.
It has a service temperature range from -54°C (-65°F) to 121°C (250°F), with short term recurring exposures (approximately 6 hours) to 182°C (360°F). It cures at room temperature to form a resilient sealant having excellent adhesion to common aircraft substrates.
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