PPG P/S 870 Class B-2 Corrosion Inhibitive Sealant, 1 Pint Kit, PS870B2PT
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PPG P/S 870 Class B-2 is a two-part, manganese dioxide cured polysulfide sealant with corrosion inhibitive properties. It acts as a barrier against the common causes of corrosion on aluminium alloys or between dissimilar metals. The uncured material is a low sag, thixotropic paste applied by extrusion gun or spatula, and it cures at room temperature with adhesion to common aircraft substrates.
- Cured sealant maintains elastomeric properties after limited exposure to jet fuel and aviation gas
- Repairable to itself on both fresh cured and fuel aged fillets
- Salt spray (fog) test for 670 hours (ASTM B117) with no corrosion to base substrate or deterioration of sealant
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