186 Flux-Pen®August 3, 2021
Kester 186 Flux-Pen® is specifically designed for leaded and lead-free rework of conventional and surface mount circuit board assemblies. 186 under MIL-F-14256, was QPL approved as Type RMA. Although the fluxing ability approaches that of Type RA flux, residues after soldering are non-corrosive and non-conductive. 186 has been developed for use in critical applications where difficult assemblies are to be soldered, but process requirements stipulate use of Type RMA flux. 186 possesses high thermal stability for soldering multi-layer assemblies which require higher temperatures. Exposure to high preheat temperatures does not degrade solubility of the residue in normal cleaning solvents. There is no surface insulation resistance degradation caused by the flux residue. The use of a minimum of ionic activating agents and the inactive nature of the residue permits leaving the residue on circuit board assemblies for many applications. The flux residue is also moisture and fungus resistant.
979VT Soldering Flux
Kester 979VT is a VOC-free, no-clean flux formulation for high quality, low-defect soldering of lead-free electronic circuit board assemblies.
952-S SOLDERING FLUX
Kester 952-S is a zero-halogen, non-rosin organic flux designed specifically for use in tabber and stringer equipment of Photovoltaic Assembly (PV) module industry by soldering tabs to cell contacts.
NF372-TB SOLDERING FLUX
Kester NF372-TB is a zero-halogen, no-clean, low solids liquid flux designed to be used in wave and hand solder processes. It can be used with both leaded and lead-free alloys.
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