BAC #: PS870B-1-2-6OZ
PS870B1/2 Corrosion Inhibitive Sealant, MIL-PRF-81733
PPG-PROSEAL
Description
PS870 Class B1/2 corrosion inhibitive sealant. This material 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 | 1/2 Hour ( Class B-1/2) |
| 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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