rma flux definition
Rosin Fluxes. Qualitek rosin fluxes are formulated with high quality purified Grade WW rosin conforming to LLL-R-626 in specially blended solvent systems. The choice of the proper flux formula is based on the soldering application, desired rosin percentage, type of solvent and the activity level required. Rosin Mildly Activated (RMA) Fluxes.