<br>Material: lead-free solder wire with rosin core, Sn99.3%, Cu0.7%; Wire diameter: 0.8mm. Rosin Flux: 2.2%. 2 rolls total weight 200g.<br> <br>Good quality welding wire: good quality welding performance to increase welding efficiency and quality. Good solder ability in both electrical conductivity and thermal conductivity.<br> <br>Working temperature: Solder wire melting point: 227/ 440.6. Working temperature: 320- 400. Flows well and heats evenly, easy to use.<br> <br>Environmental protection: Welding with less spatter, less smoke and easy to clean.<br> <br>Applications: Designed for electrical repairs, eg cell phones, radios, televisions, stereos, toys, motors, circuit boards, motherboards and other electronic devices.<br> <br>Features:< /p> <br>With the solder wire winder, soldering can be completed faster, saving time and labor.<br> <br>Flows well and heats evenly, easy to use.<br> <br>Good solder ability in both electrical conductivity and thermal conductivity.<br> <br>Rosin is uniform and proper; insulation resistance, splash-free and non-corrosive.<br> <br>Widely used in electricity and electronics, soldering parts such as circuit boards, electronic devices and others.<br>