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Product Code: PS870B1-2-60Z
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PPG Aerospace - PRC-Desoto PS-870 Class A - 2 hour application life - Corrosion Inhibitive Sealant Brush grade - MnO2 cured polysulfide - 3-7% soluble chromates - Brush sealing fasteners P/S 870 Class A is a corrosion inhibitive sealant. It has a service temperature range from -65F (-54C) to 250F (121C), with intermittent excursions up to 275F (135C). This material acts as an effective barrier against the common causes of corrosion on aluminum alloys or between dissimilar metals. The cured sealant maintains elastomeric properties after limited exposure to both jet fuel and aviation gas.P/S 870 Class A is a two-part, manganese dioxide cured polysulfide compound. The uncured material is suitable for application by brush in thickness up to 25 mils. It cures at room temperature to form a resilient sealant having excellent adhesion to common aircraft substrates.SPEC: MIL-PRF-81733D
