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Soldering Flux

MG Chemicals solder flux provides high tack-force and superior wetting for both leaded and non-leaded solder alloys. The flux comes in both liquid and paste formats, and in Rosin Activated (RA), No Clean (NC) and Water Soluble (WS) flux chemistries. Our fluxes provide exceptional adhesion to copper, and form an effective barrier against oxidation of circuit traces.

Features and Benefits

  • Compatible with leaded and non-leaded solder
  • No-clean options available
  • Meets J-STD-004B
  • RoHS compliant
  • Available as liquid or paste


  • Repairs and rework
  • Through hole and surface mount
  • Solder touchups

Liquid Flux

835Rosin based flux

8351No clean, halogen free flux

836LFNCLead free, no clean flux

837LFWSLead free, water soluble flux

Paste Flux

8341 – No clean, halogen free flux

8342 – Rosin based flux

Category Data Sheets

Other Resources