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PS 860 Class B 1/6 Quick Repair Aircraft Integral Fuel Tank Sealant. PPG Aerospace® Sealants
P/S 860 Class B-1/6 is a quick repair, aircraft integral fuel tank sealant. It has a service temperature range from-54°C to 121°C, with intermittent excursions up to 135°C. This material is designed for fillet sealing of fuel tanks and other aircraft fuselage sealing applications. The cured sealant maintains excellent elastomeric properties after prolonged exposure to both jet fuel and aviation gas. P/S 860 Class B-1/6 is a two-part, manganese dioxide cured polysulfide compound. The uncured material is a low sag, thixotropic paste suitable for application by extrusion gun. It has excellent adhesion to common aircraft substrates when correctly primed with PR-148 Adhesion Promoter.
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