BAC #: PS870B2-6OZ
PS870B2 Corrosion Inhibitive Sealant, MIL-PRF-81733
PPG-PROSEAL
Description
PS870 Class B2 corrosion inhibitive sealant acts as an effective barrier against the common causes of corrosion on the aluminum alloys or between dissimilar metals. Shelf life 274 days.
| Product Specifications | |
|---|---|
| Category | Corrosion Inhibitive Sealant |
| Typical Applications | Two-part, manganese dioxide cured polysulfide compound acts as a barrier against corrosion on aluminum alloys. |
| Application Areas |
Fuselage lap joints, Skin panel joints, Wing skin seams, Empennage skin joints, Fairing attachments, Access panels, Inspection covers |
| Application Technique | Extrudable |
| Work Life | 2 Hours ( Class B2) |
| Cure Time | Cured 14 days @ 77°F (25°C), 50% RH |
| Application Method | Dispensed from Semkit®, cartridge, or bulk kit using standard sealant dispensing equipment. |
| Color | Gray |
| Specific Gravity | 1.48 |
| Temperature Range | -65°F to +250°F (-54°C to +121°C) with intermittent excursions up to 275°F (135°C). |
| Fluid Resistance | Excellent resistance to water, weathering, ozone, UV exposure, aircraft cleaning compounds, and intermittent exposure to aviation fuels and hydraulic fluids. |
| Shelf Life | Typically 9 months when stored at or below 80°F (27°C). Always verify the manufacturer's expiration date. |
| Standards Met | MIL-PRF-81733 Type II |
| Manufacturer | PPG Aerospace |
| Available Packaging | Semkit® cartridges, pints |
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