Argentomerse NC is a nitrate-free immersion silver process for use as a solderable finish on PCBs and other electronic devices. Said to operate at a slightly alkaline pH and produce a thin, uniform deposit that meets the requirements of IPC-4553. Reportedly has high tolerance for contaminates like chloride and copper. When coupled with Tarniban 60 Post Dip (metallic anti-tarnish protection), said to provide 12 months of shelf life under normal storage conditions.
 
Technic, www.technic.com

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