PPG PS870 C-2 Corrosion Inhibitive Sealant PT
The PPG Aerospace® P/S 870 C-2 is a two-part, manganese dioxide–cured polysulfide sealant, supplied in a pint kit, designed as a corrosion-inhibitive compound for aircraft structures. Formulated to meet stringent aerospace performance requirements, this sealant provides outstanding resistance to aviation fuels, oils, hydraulic fluids, and environmental exposure, while preventing corrosion of aluminum, steel, and other alloys.
The C-2 class designation provides an extended work life with controlled cure, making it well-suited for OEM assembly and MRO operations requiring longer application times. Once cured, P/S 870 C-2 forms a resilient, flexible seal that ensures durability, long-term adhesion, and superior corrosion protection in critical aerospace environments.
Key Technical Features:
- Product: P/S 870 C-2 Corrosion Inhibitive Sealant
- Manufacturer: PPG Aerospace® / PRC-DeSoto®
- Packaging: Pint Kit (two-part system)
- Color: Gray
- Chemistry: Manganese dioxide–cured polysulfide
- Class: C-2 (extended work life, controlled cure)
- Function: Corrosion-inhibitive sealing for aircraft structures
- Provides resistance to fuels, oils, hydraulic fluids, and environmental stresses
- Ensures durability, flexibility, and long-term adhesion
- Suitable for OEM production and MRO structural repair applications
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