Felder Cu-Rotin® 3 is a lead-free solder with a composition of Sn97Cu3. It is available in a reel weighing 0.250 kg with a diameter of 2.7 mm, ideal for soldering applications. This soldering wire is commonly used in electronics and electrical soldering tasks due to its safety and efficiency. https://elecena.pl/product/28794432/felder-149727201-cu-rotin-3-lead-free-soft-solder-sn97cu3-0-250kg-2-7mm 2025-05-24 https://elecena.pl/product/28794432/felder-149727201-cu-rotin-3-lead-free-soft-solder-sn97cu3-0-250kg-2-7mm 2026-07-12