837LFWS is a water-soluble soldering flux. It has a neutral pH at room temperature and becomes highly activated at soldering temperatures. Post-soldering flux residues must be cleaned, but are easily removed with water.

837LFWS is designed for wave soldering, surface mount assembly, and through-hole applications. It may be applied by spray, foam, or wave fluxing.

Features:
Meets IPC J-STD-004B and type ORH1
For both leaded and lead-free solders
Excellent wetting and through-hole fill
Residues are easily removed with water
RoHS compliant and VOC free