Water-Soluble Fluxes
Organic fluxes are commonly called "water soluble fluxes." Organic fluxes generally provide greater fluxing ability than rosin, but the ionizable nature of the water-soluble residue makes organic fluxes too conductive and potentially corrosive to leave on electronic assemblies. The organic fluxes are not as head stable as rosin fluxes but do provide more rapid fluxing action for high speed soldering. Because of the ability to remove organic flux residue with water and the ease of disposal of the cleaning solutions, organic fluxes are more frequently being used for electronics soldering applications. A circuit board assembly must be designed for the use of organic flux and water cleaning since all of the residue must be removed.
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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
Qualitek RMA type fluxes have high thermal stability for soldering multi-layer assemblies. Exposure to high preheat temperatures does not degrade solubility of the residue in normal cleaning solvents.

Fully Activated Rosin Fluxes
These fluxes are clear, homogeneous solutions of Grade WW rosin in special alcohol solvent systems into which have been incorporated highly efficient activating agents. The flux residues are non-corrosive and non-conductive when subjected to normal conditions where the solvent is volatilized and the residue is dry.
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Lead Tinning Fluxes
Lead tinning is a process of hot solder dipping of semiconductor and other electronic components. This solder coating provides a thick non-porous surface which enables a long solderable storage life.

Qualitek offers a line of fluxes for use in the lead tinning process. These fluxes are halide free therefore they will not cause internal package corrosion.

Qualitek lead tinning fluxes are precisely formulated to provide an effective solder coat for various types of lead tinning applications.
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