GALLUNOPTIMAL by FELDER Soldering Water – 1000 ml Flux, clear & highly activated
– Flux type: F-SW12
– Standard: DIN EN ISO 9454.1
– Liquid & clear, highly activated
– Contents: 1 liter
– Not for use with stainless steel/aluminum
A precisely applicable flux for professional use. Ideal for copper, steel, brass – with a clear, liquid consistency for easy dosing. For workshops, assembly production, or technical maintenance.




