Fluxless Reflow No Post-Solder Cleaning Required

BTU offers fluxless reflow capability using formic acid atmosphere in a flexible configuration, compatible with multiple reflow platforms and recipe controlled dual-process option for inert high-purity nitrogen atmosphere. 

Ask Us About Fluxless Formic Acid Reflow

Efficient & Controlled

Lower formic acid concentration (3–4%), delivered only where the process needs it, with uniform distribution and real‑time monitoring in the reaction zone.

  • 3–4% concentration
  • Real‑time monitoring

Proven

Demonstrated soldering performance backed by SEM and intermetallic‑compound (IMC) evidence from BTU's process lab testing.

  • SEM / IMC evidence
  • Lab‑verified
       

Integrated Safety & Management

Integrated formic acid supply option, continuous leak detection, and dedicated exhaust management — with optional Aqua Scrub integration.

  • Leak detection
  • Aqua Scrub compatible

One formic acid process. Three platform configurations.

Fluxless Reflow

Formic Acid + Convection Reflow

Fluxless Warpage Control

Formic Acid + Pyramax TrueFlat

Fluxless Void Reduction

Formic Acid + Aurora Vacuum

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  • Note: Not all equipment is available at each location. Equipment needs may dictate the location.