The RELIFE RL-445 Soldering Wire is a high-purity tin solder wire with a rosin core designed for precision and reliable soldering across a wide range of electronic applications. Whether you are repairing circuit boards, assembling LED modules, or working on household appliances, the RL-445 delivers consistent performance with smooth flow and strong, clean joints.

Available in multiple diameters (such as 0.3 mm, 0.4 mm, 0.5 mm, and 0.6 mm), and typically supplied in a manageable 25 g spool, this solder wire caters to both delicate microelectronics and general-purpose soldering tasks.