PPG PS872 B-1/2 Conductive Lightning Strike Sealant
PPG PS 872 Class B is a conductive lightning strike, corrosion inhibitive sealant that acts as an effective barrier against the common causes of corrosion on aluminium alloys or between dissimilar metals.
Data Sheets
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Product Information
This product is a two part aluminium filled manganese dioxide cured, polysulfide compound. The cured sealant maintains electrical continuity in a highly torqued fay surface for certain aircraft applications. This material has a service temperature range from -67° (-55°C) to 250°F (121°C), and intermittent excursions up to 275°F (135°C).
The cured material is resistant to intermittent exposure to both jet fuel and aviation gas. 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.
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