BAC #: PR1428B-1-2-6OZ
PR1428B1/2 Access Door Sealant, MIL-S-8784
PPG-PROSEAL
Description
PR1428 Class B1/2 is a two-part, manganese dioxide cured, polysulfide compound. The uncured material is a low sag, thixotropic paste suitable for application by extrusion gun or spatula. Cures at room temp to form a removable seal. PRC Desoto standard. 30 minute work time. Shelf life 365 days.
| Product Specifications | |
|---|---|
| Category | Access Door Sealant |
| Typical Applications | Access door sealing or fabricating form-in-place gaskets. |
| Application Areas | Access Door |
| Application Technique | Extrudable |
| Work Life | ½ Hour (Class B-1/2) |
| Cure Time | 14 days at 77°F (25°C), 50% RH |
| Application Method | Semkit®, cartridge, or bulk dispensing equipment |
| Color | Red |
| Specific Gravity | 1.50 |
| Temperature Range | -65°F to +250°F (-54°C to +121°C) |
| Fluid Resistance | Hydraulic fluid, petroleum based oils, water, |
| Shelf Life | See manufacturer data sheet. Typically 12 months stored below 80°F (27°C). |
| Standards Met | DeSoto standard |
| Manufacturer | PPG Aerospace |
| Available Packaging | Semkit® 2.5 and 6 oz cartridges, pint |
Features
Low adhesion
Operating temperature -65°F to 250°F
Intermittent tolerance to 275°F
Suitable for fillet sealing
Use as access door sealant, FIP gasket, protective potting
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