PPG PR2050 B-1/2 Rapid Curing Compound 1oz (678) Semkit *PPG/PRC Standard Spec
PPG PR2050 Class B is a fast-curing compound specifically formulated for aerodynamic smoothing and gap filling applications.
Technical Information
- UN Number 1133 CL3
- Commodity Code 32141010
- Country of Origin United States
Data Sheets
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Product Information
This compound is a two-part, epoxy-cured Permapol P-3.1 polythioether formulation. It is a versatile compound that offers a service temperature range from -54°C (-65°F ) to +121°C to +250°F and intermittent exposure capabilities up to +204°C (+400°F). It demonstrates minimal shrinkage and achieves sandable hardness within one hour at temperatures of +25°C (+77°F) or higher.
Upon curing, PPG PR2050 Class B retains its flexibility, effectively reducing the risk of cracking often associated with more brittle sealing compounds. The cured product maintains its integrity even after limited exposure to jet fuel and aviation gas and shows resistance to diphosphate ester-based hydraulic fluids. Additionally, PR2050 Class B exhibits outstanding adhesion to a wide range of properly prepared aircraft surfaces.
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