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Qualitek Soldering Fluxes for Lead Free Chemistries
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Qualitek offers a competitive, state-of-the-art wave solder fluxes specifically designed for lead free assembly applications for the electronics industry.  Qualitek offers a variety of soldering fluxes that withstand higher temperatures required for lead-free applications.  Liquid Fluxes are available in 1 and 5 gallon containers and 55 gallon drums.

Flux Description S.G.@25°C % Solids Acid No. J-STD-004B Thinner
302 No-Clean, Halogen-Free flux with very low solids, May be used for both leaded and lead-free applications for a broader process window. 0.800 2.3 20 ORL0 300A
302+ No-Clean, Halogen-Free flux with low solids.  Slightly higher solids lead to increased activity.
0.804 3.0 29 ORL0 300A
355-35 No-Clean, Halide-Free flux designed for lead-free solder systems. Exhibits high activity.
1.02 7.5 40 ORL0 300A
381 No-Clean, Low solids flux compatible with both leaded and lead-free systems that eliminates skips and shorts often experienced with wave assembly. 0.800 3.7 23 ROL0 300A
392-35 No-Clean, Halogen-Free, low solids organic flux with no surface insulation resistance degradation. Produces bright, lustrous solder joints.
0.811 4.0 45 ORL0 300A
ALCOHOL-BASED – WATER-SOLUBLE
Flux Description S.G.@25°C % Solids pH % Halides J-STD-004B Thinner
737N Water-Soluble, very active, robust flux with neutral pH that can be used with leaded or lead-free solder systems.
0.846 17.5 7.3 2.2 ORH1 700T
775 Water-Soluble flux designed specifically for high speed wave soldering applications and water cleaning systems.
0.873 3.2 1.9 ORM1 700T




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