PPG PR-425 PRC Standard Spec Adhesion Promoter – 1/2 Pint Kit
PPG PR-425 is a high-performance adhesion promoter meeting PRC Standard Specification, supplied in a convenient 1/2 pint kit. Designed for aerospace metal and composite surfaces, PR-425 maximizes the bond strength of polysulfide and polythioether sealants in structural and fuel tank sealing applications, ensuring long-term joint integrity under demanding aerospace service conditions.
The 1/2 pint kit provides an economical mid-range quantity suitable for moderate-scale sealing jobs, offering more material than small repair bottles while avoiding the excess of a full gallon container. It is a practical choice for MRO operations, scheduled maintenance events, and production runs involving multiple joints on a single aircraft.
Product Specifications
| Attribute | Detail |
|---|---|
| Manufacturer Part Number (MPN) | 0425000XCA007KT |
| Brand | PPG Aerospace |
| Product Series | PR-425 |
| Specification | PRC Standard Specification |
| Color | Clear |
| Product Type | Adhesion Promoter Kit |
| Package Size | 1/2 Pint Kit |
| Substrate Compatibility | Metal, Composite, Aluminum Alloys |
| Application Method | Brush, Wipe, Spray |
| Industry Use | Commercial Aviation, Military, MRO |
Technical Information
PR-425 utilizes an advanced coupling agent system optimized for both metallic and composite substrates, providing reliable adhesion promotion across the mixed-material structures found in modern aircraft. Its PRC Standard Specification qualification ensures it meets the adhesion and durability requirements for use in aerospace fuel tank, structural, and window sealing systems.
Frequently Asked Questions
Q: What is the MPN for PPG PR-425 1/2 Pint Kit?
A: MPN is 0425000XCA007KT.


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