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Flux Pens

MG Chemicals flux pens enable convenient dispensing for high-precision application of flux for improved solder wetting. Our pens are designed to work with both leaded and non-leaded solder, providing an effective (remove “oxygen”) barrier against oxidation. Pens are available in Rosin Activated (RA), No Clean (NC) and Water Soluble (WS) flux versions. These fluxes can be readily removed by our flux removers.

Features and Benefits

  • Compatible with leaded and non-leaded solder
  • No-clean options available
  • Meets J-STD-004B
  • RoHS compliant


  • Repairs and rework
  • Through-hole and surface mounting
  • Solder touchups

835-P – Rosin-based liquid flux with moderate activity

836-P – Halogen-free organic flux with low activity

837-P – Water soluble flux with high activity

Technical Documents

Flux Pens Catalogue