SF855-LR soldering flux is a low-solid, low-residue, no-clean, non-rosin organic flux designed for use in tabber and stringer equipment of PV through soldering tabs to cell contacts. Low solids content (1.6%) and nature of activator system reportedly result in nearly no residue left on cell after soldering. Wide operating window and temperature range; can be used in SnPb, SnAgPb and Pb-free applications.

Kester, www.kester.com

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