100/50G KELLYSHUN Lead Free Solder Wire 0.5/0.6/0.8/1.0/1.2mm Rosin Core High Purity Tin Wire Solder Welding Wires Sn99.3Cu0.7

KellyShun Lead-Free Solder Wire Sn99.3Cu0.7 is a rosin-core tin solder designed for clean, reliable joints in electronics assembly and repair. RoHS-certified and lead-free, this tin wire delivers consistent wetting with a 2.2% flux core, paired with a Sn99.3Cu0.7 alloy and a melting point around 217°C.

• Composition: Sn99.3Cu0.7 (lead-free tin alloy)
• Flux core: Rosin, 2.2% flux content
• Melting point: 217°C
• Material: Tin
• Diameter options: 0.5 mm / 0.6 mm / 0.8 mm / 1.0 mm / 1.2 mm
• Weight options: 30 g / 50 g / 100 g
• Origin: Mainland China
• Axle weight: 15 g
• Net weight: 50 g size — 35 g; 100 g size — 85 g

Ideal for PCB soldering, electronics repair, and hobby projects, this lead-free solder wire provides dependable performance across a range of diameters and package sizes. The rosin-core flux aids wetting for quick, reliable joints, while the Sn/Cu alloy offers good mechanical strength and corrosion resistance. Choose the diameter and weight that fit your workflow, then trust KellyShun for consistent results with every spool.