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Ratings: 4

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The 1.2mm 100g Solder Wire is a professional-grade soldering consumable designed for general electronics assembly, PCB repair, and component soldering. With a 1.2mm diameter, this solder wire is ideal for through-hole components, larger pads, connectors, and general-purpose soldering tasks where faster feed rates and higher volume deposition are beneficial.
This solder is available in both leaded (Sn60/Pb40 or Sn63/Pb37) and lead-free (Sn99.3/Cu0.7 or SAC305) formulations to suit different application requirements and environmental compliance needs.
1. 1.2mm Diameter (18 SWG / 0.05")
The thicker wire gauge provides faster solder delivery for larger joints, through-hole components, connectors, and general PCB assembly work.
2. Rosin Flux Core
Contains a built-in rosin or no-clean flux core that cleans oxidation during soldering, improves solder flow, and leaves minimal non-corrosive residue for reliable joints.
3. Multiple Alloy Options
Available in leaded (Sn60/Pb40 - 183-190°C melting point) for superior wetting and bright joints, or lead-free (Sn99.3/Cu0.7 - 227°C / SAC305 - 217-220°C) for RoHS compliance.
4. 100g Spool Weight
Convenient 100g (3.53 oz) spool size balances ample material for multiple projects with manageable storage.
5. Good Wettability & Flow
Flows evenly and heats consistently, producing bright, shiny solder joints with strong mechanical and electrical conductivity.
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