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Specification: Wire Net Weight: 0.11 Lb Wire Diameter: 0.3 mm Alloy: Tin 99.3%- Cuprum 0.7% Product Advantage: 1. Solder joint is bright and reliable; 2. Good welding performance; 3. Less splashes, less smoke, less freshness and less pungent; 4. High insulation resistance, low corrosion; 5. The residue after welding is very few and the color is light. Use method: Electric iron welding or flame gun welding, heating and melting solder wire can be added to complete the welding; With flux cored flux, no need to work with any other materials, welding residue can be easily washed or wiped clean with water, so as to avoid the unsightly phenomenon of residual after welding.