Stannol manufactures the S321 lead-free solder with a composition of Sn99,3Cu0,7, available in a 100g reel with a 2 mm diameter. This solder is suitable for environmentally friendly soldering applications due to its lead-free nature. Ideal for electronics, it provides reliable connections in various soldering projects. https://elecena.pl/product/28704403/stannol-631912-s321-solder-lead-free-sn99-3cu0-7-2-2mm-100g-reel 2025-05-16 https://elecena.pl/product/28704403/stannol-631912-s321-solder-lead-free-sn99-3cu0-7-2-2mm-100g-reel 2026-04-02