| In order to satisfy future legal requirements on the eco-friendly production of electronic equipment, the German company Balver Zinn has recently launched its new patented lead-free SN100C solder, a stable, tin-copper eutectic formulation that is ideal for the lead-free wave soldering carried out during the production of PCBs in the electronics industry. The unique stabilised formulation of the lead-free solder means that, when wave soldering, the solder helps counteract the formation of bridges between the solder points, which results in much less wastage compared to conventional tin-copper solder. The melting point of the solder is low enough for it to be used on most parts and components. SN100C does not contain silver and is thus less expensive than the other alloys used in this process. Balver Zinn supplies the new SN100C solder as solder wire of various diameters. It is also available as hemispheres, pellets, plates, ingots and blocks.
Experience with the alloy in some 210 wave soldering production lines world-wide has so far shown that SN100C is just as reliable as tin-lead alloys, forms less dross and is easier to handle than other lead-free alternatives.
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