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ZSHX Lead Free Solder Wire Review: Precise soldering for electronics

ZSHX Lead Free Solder Wire Sn99 Ag0.3 Cu0.7 Rosin core solder wire for electrical soldering (0.6mm 50g)
4.7
[High Purity Alloy]  Sn99-Ag0.3-Cu0.7 composition ensures reliable electrical joints and minimal residue.
[Low Melting Point]  217℃ (422.6℉) melts easily for smooth soldering and reduced thermal stress.
[Rosin-Core Flux]  2% flux core provides good wetting and strong, clean solder joints.
[Precision Wire Diameter]  0.6 mm (0.0236\") diameter ideal for fine electronics soldering and control.
[Lightweight Pack]  50 g (1.76 oz) compact spool, convenient for hobbyists and field repairs.
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Electrical soldering wire built for neat, reliable joints and fine work. Enthusiasts and technicians gain confidence when soldering small components thanks to consistent handling and a rosin core. Is the ZSHX Lead Free Solder Wire the right choice for your electronics projects?

⚡ At a Glance
  • Wetting and Flow: Good wetting and controlled flow for small joints
  • Best for: Hobbyists and electronics technicians performing fine soldering
  • Not ideal for: Heavy plumbing or high-current soldering tasks

Lead-free rosin core solder wire intended for electrical soldering. User feedback highlights easy handling and neat joints.


Precise joints – with 0.6 mm wire diameter

Wire diameter is specified as 0.6 mm, a fine profile suited to small component leads. Flux content of 2% in a rosin core assists solder transfer at the contact point.

Fine wire enables accurate placement with less risk of bridging, ideal for detailed through-hole and surface work.

Lower heat impact – thanks to 217°C melting point

Melting point is listed at 217°C, indicating the alloy liquefies at a moderate temperature for common soldering irons. Rosin core flux helps wet the joint once the alloy reaches melting range.

Lower required temperatures help reduce thermal stress on sensitive components while still forming secure joints.

Consistent alloy composition – with Sn99-Ag0.3-Cu0.7

Alloy composition is stated as Tin 99%, Silver 0.3%, Copper 0.7% (Sn99-Ag0.3-Cu0.7). The specification is provided directly in the product description.

Predictable material makeup supports repeatable solder behaviour across multiple joints and projects.

✨ The 4 Key Reasons for ZSHX Lead Free Solder Wire
  1. Sn99-Ag0.3-Cu0.7 – Dependable alloy for consistent electrical solder connections
  2. 217°C melting point – Lower melting temperature reduces heat exposure to components
  3. 0.6 mm diameter – Fine wire enables precise work on small component leads
  4. Rosin core, 2% flux – Ready to use, reduces preparation and setup steps
📋 Technical Details at a Glance
  • Category: Solder wire (Electrical soldering)
  • Composition: Sn99-Ag0.3-Cu0.7
  • Melting Point: 217°C
  • Wire Diameter: 0.6 mm (0.0236 inch)
  • Flux Content: 2%
❓ Frequently Asked Questions

Q: Is the solder lead-free?

A: Yes, the description identifies the solder as lead-free with an alloy composition of Tin 99%, Silver 0.3%, Copper 0.7%.

Q: What size wire is supplied and what is it best for?

A: Wire diameter is 0.6 mm, suitable for precise, detailed soldering on small component leads according to user feedback.

Q: What is the melting point and how does it affect soldering?

A: Melting point is 217°C, a moderate temperature that helps achieve flow while limiting excessive heat exposure during typical electronics soldering.

🏆 Our Verdict

The ZSHX Lead Free Solder Wire suits hobbyists and technicians who need fine, reliable soldering for electronics. The combination of a rosin core, 2% flux and a tin-rich Sn99-Ag0.3-Cu0.7 alloy gives predictable handling and a 217°C melting point for gentler soldering. The wire represents a practical choice that delivers consistent results and long-term usefulness for regular electronics work.