Kester FL250D Solder Paste Automotive Grade Overview
The Kester FL250D Solder Paste is a no-clean, air or nitrogen reflowable formulation specifically developed to fulfill stringent automotive manufacturing requirements. Produced by Kester, this specialized solution guarantees superior board reliability under challenging environmental conditions.
High Compatibility with Post-Soldering Processes
Formulated for complete chemical compatibility, FL250D Solder Paste integrates seamlessly with post-soldering process materials, including protective conformal coatings and potting compounds. This prevents cross-reactivity and ensures long-term protection of sensitive electronic assemblies.
High-Speed Stencil Printing Capabilities
Engineered for maximum line throughput, Kester FL250D Solder Paste supports rapid stencil printing speeds up to 8 in/sec (200 mm/sec) using standard squeegees or enclosed head systems. It easily withstands printing downtimes of up to 90 minutes while delivering an accurate first print down to 20 mils.
Technical Specifications
| Property | Specification Details |
|---|---|
| Product Type | No-Clean Automotive-Grade Solder Paste |
| Reflow Atmosphere | Air or Nitrogen (N2) |
| Process Compatibility | Compatible with Conformal Coatings and Potting Compounds |
| Maximum Print Speed | Up to 8 in/sec (200 mm/sec) with Squeegees or Enclosed Head |
| Stencil Downtime | Up to 90 Minutes (Effective First Print at 20 mils) |
Conclusion
For high-reliability automotive electronics requiring ultra-fast printing speeds and full coating compatibility, Kester FL250D Solder Paste delivers exceptional results. For procurement, datasheets, and technical consultation, please Contact – LORIOT INDUSTRIAL.

