GALLUNOPTIMAL by FELDER Soldering water – 50 ml flux, highly activated
– Degree of activation: strong
– Clear, liquid, easy to dispense
– For copper, steel, zinc, brass
– Not suitable for aluminum or stainless steel
GALLUNOPTIMAL soldering fluid GOLW12-0050 is designed for soft soldering on base metals. It can be applied precisely with the integrated brush, ensures clean solder joints, and is particularly suitable for workshops, maintenance, and hobby use.






