Description: lead-free solder wire is made up of lead-free pure tin, pure copper, silver and other environmental alloy by high temperature dissolving in proportion, refining, removing impurity cast into tin cylinder with a hydraulic press and flux (rosin agent) die casting and become, use wire drawing machine production according to the requirements of different wire diameter. Alloy composition is divided into tin copper, tin, silver, tin silver copper alloy or other metal, uniform flux perfusion between tin alloy parts. & have spent & have spent & have spent The advantages of "Qitian" qian tian lead-free solder wire For electronic hold "green" environmental protection concepts into reality, qian tian tin focused on research and development of low residue, no clean and has superior wettability of lead-free solder wire, the company research and development of lead-free solder wire has unique advantages: 1. Good weldability, wetting time is short; 2. The uniform distribution of resin in the line, good continuity. 3. When welding spatter, less residue and colorless; 4. No bad odor, smoke less, do not contain poison the volatile gas of health; 5. Neat, beautiful, winding surface light; 6. Reduce the soldering surface tension, increase liquidity & have spent