PPG PR1428A-2 (1-ea-S654)
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PPG PR1428A-2 (1-ea-S654) (Also known as: PR-1428 Class A Sealant)
Summary: PPG PR1428A-2 (1-ea-S654) is an approved, two-part polysulfide sealant commonly used in aerospace applications for sealing access panels and creating removable form-in-place gaskets.
Industry Category: Adhesives, Sealants & Tapes
Manufacturers Part Number: 1428A002CA654SK
Sub-Category: Aerospace Sealants / Polysulfide Sealants
Function: Provides fuel- and moisture-resistant sealing for aircraft components
Use Cases: Sealing fuel tank access doors and protecting sensitive components from fuel, moisture, and environmental exposure
Description:
The PPG PR1428A-2 (1-ea-S654) is a high-performance, two-part polysulfide sealant, specifically formulated for sealing fuel tank access doors and creating form-in-place gaskets in aerospace applications. Supplied in a 6 oz (170 g) Semkit. This sealant offers a service temperature range from -65°F to 250°F (-54°C to 121°C), with brief excursions up to 275°F (135°C). Its low adhesion properties ensure easy removal during maintenance, making it ideal for applications requiring periodic access.
Engineers and MRO teams rely on the PPG PR1428A-2 for its proven performance in sealing critical access points, ensuring fuel integrity and safety. The product's formulation allows for brush application up to 25 mils (0.635 mm) thick, facilitating efficient application in various aerospace environments. To learn more about purchasing the PPG PR1428A-2, aviation engineers are invited to email sales@aerospheres.com, call UK +44 (0)3333 247 777 or US +1 888 421 7703, or simply click the “Add to Cart” option.
Spec Sheets For PPG PR1428A-2:
PPG PR1428A-2 Technical Data Sheet
Safety Data Sheet for PPG PR1428A-2
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Additional Product Information
The PPG PR1428A-2 sealant is trusted across the aviation industry, from MRO teams maintaining advanced military aircraft to engineers servicing commercial airlines carrying millions of passengers each year, because it provides proven sealing performance where it matters most. This low adhesion sealant delivers exceptional resistance to fuel, moisture, and environmental conditions, helping prevent costly leaks and ensuring safety. Easy to apply and remove, it's the reliable solution ground crew and engineers reach for in both routine checks and urgent AOG situations. With consistent performance backed by PPG quality, the PPG PR1428A-2 is a product you can depend on to keep aircraft safe, efficient, and in service.
Key Technical Specs for PPG PR1428A-2
- Type: Two-part manganese dioxide-cured polysulfide sealant
- Application: Brushable, suitable for thicknesses up to 25 mils (0.635 mm)
- Temperature Range: -65°F to 250°F (-54°C to 121°C), with brief excursions up to 275°F (135°C)
- Colour: Black
- Shelf Life: 12 months from date of manufacture
- Packaging: 6 oz (170 g) Semkit
Approvals & Specifications for PPG PR1428A-2
- Boeing: Referenced in Boeing service documentation for fuel tank access door sealing
- Airbus & Lockheed Martin: Not explicitly listed; engineers should request Certificates of Conformance (C of C) if required
Typical Aircraft MRO / AOG Applications for PPG PR1428A-2
- Sealing fuel tank access doors
- Fabricating form-in-place gaskets
- Protecting electrical components from fuel and moisture ingress
Compatibility & Safety Notes for PPG PR1428A-2
- Compatible with most aircraft substrates
- Not suitable for structural repairs; intended for sealing applications
- Use in well-ventilated areas; refer to SDS for handling precautions
Packaging & Procurement for PPG PR1428A-2 (matched to the Aerospheres page and common market packs)
- Available in 6 oz (170 g) Semkit
- Individually boxed with part number and lot number
Why PPG PR1428A-2 is Chosen for AOG / MRO
- Low adhesion allows for easy removal during maintenance
- Proven performance in sealing critical access points
- Trusted by aviation engineers worldwide
Practical Suggestions for Your Team (AOG mindset) for PPG PR1428A-2
- Keep several Semkits in AOG kits for immediate use
- Train ground crew on proper application techniques
- Store in a cool, dry place to maintain shelf life
Manufacture / Aviation Spec Codes for PPG PR1428A-2
- PPG Manufacturer P/N: 1428A002CA654SK
- Aerospheres Part Number: 100295
- UN Number: UN1133
- Hazard Class: CL3
- Packing Group: PGII
- ECCN: EAR99
Alternative Names & Descriptions for PPG PR1428A-2
- PPG PR1428A-2 Sealant
- PR-1428 Class A Sealant
- Fuel Tank Access Door Sealant
- Form-in-Place Gasket Sealant
- PR1428A-2
- PR1428A2-654SEMKIT
- pr1428a2skit x2028
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