Solder Wire Lead Free Sn99.3 Cu0.7 Rosin Core Soldering Wire for Electrical Welding 100g -0.8mm-Lead Free-

High Quality Lead-free Solder Wire Specs: Weight: 100g 0.22lbs Diameter: 0.8mm Tin: 99.3%; Copper: 7% Flux: 2% Working Temperature: 250?-300? Package Contents 1*Lead Free Solder Wire How to Use: 1. In order to obtain a good welding effect, the parts to be welded must have weldability and keep the metal surface clean, use a suitable soldering iron or soldering stand 2. After the solder iron is electrified, when the temperature of the iron head rises to the operating temperature, the welding operation can be carried out 3. In welding operations, the operator's head should be 20cm away from the parts to be welded 4. Not used for a long time or when the assignment is finished, cover the soldering iron with a layer of tin and then turn off the power switch to protect the iron head and prolong its service life 5. The working area shall be equipped with suitable air purification equipment