Indium Corporation Introduces Halogen-Free Flux for Hand Soldering

Indium Corporation has released TACFlux® 571HF, a new no-clean, halogen-free flux formulated for both hand soldering and rework. 

TACFlux® 571HF is designed to provide solutions for the current developing industry challenges.  The new flux is compatible with the typical Pb-free (SAC), as well as low-temp bismuth- and indium-containing alloys for PCB assembly applications. 

Key Features:

  • Halogen-free per IEC 61249-2-21 test method EN14582
  • Clear post-reflow flux residue for no-clean applications
  • Shelf life of up to 1 year

Indium Corporation manufactures a complete line of TACFlux®. This series includes no-clean, water-wash, and RMA-based fluxes. Its many uses include: rework and repair of various electronics assemblies and components, SMT component attach (including BGAs and flip-chips), BGA ball-attach, preform soldering, and virtually any application where the flux is required. Cycle times are not critical as TACFlux® may sit for hours with no-reflow degradation.

For more information about TACFlux® 571HF, visit

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