Ultrapure K100 LD (is a lead free solder alloy):
Compares favorably to other low-cost, lead-free alloys of tin and copper in terms of wetting and flow characteristics.
Low cost, lead-free alloy
Bright, smooth solder joints with no visible shrinkage effects
Excellent through-hole penetration and topside fillet
Low dissolution of copper from boards and components into solder pot
Eutectic alloy
20% Lower dross rate than SN63Pb37 in laboratory tests
Less corrosive to solder pots than SAC305
Organic 331 Performance Characteristics:
Excellent solderability to a wide variety of metalizations
Easy residue removal in DI water
Compatible with leaded and lead-free alloys
Classified as ORH1 per J-STD-004
Kester 331 Organic Flux is a water soluble formula for use in flux-cored solder wire. This cored solder version of the popular 2331-ZX Neutral Organic Water Soluble Liquid FLux is more effective than rosin fluxes in soldering difficult metals. The same fast action and mild properties are exhibited with 331 Organic Flux as with the liquid 2331-ZX. The flux is more heat stable than most organic fluxes, resulting in minimal smoke and odor. The residue can be completely removed with a simple water rinse.
RoHS Complaint: This product meets the requirements of the RoHS (Restriction of Hazardous Substances) Directive 2002/95/EC Article 4 for the stated banned substances. (Applies only if this core flux is combined with a lead free alloy)
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