Kester FL250D Solder Paste

Kester FL250D Solder Paste

icon-lich.svg September 4, 2026

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.


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