No Clean Solder Wire Sn99.3Cu0.7 (3% Flux)

No Clean Solder Wire, 3% Flux, 250g/Spool

Designed for high-performance, environmentally responsible soldering, our Sn99.3Cu0.7 Solder Wire offers a lead-free solution without compromising on quality or reliability. This wire is composed of 99.3% tin (Sn) and 0.7% copper (Cu) — a widely trusted RoHS-compliant alloy ideal for electronics manufacturing and repair.

With a melting range of approximately 227°C, this lead-free alloy provides excellent mechanical strength, superior wetting properties, and low dross generation, making it a popular choice in both hand soldering and automated applications.

With rosin-based flux (3%), the wire ensures clean, strong joints with minimal residue and excellent oxidation resistance.

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Key Features:

• Alloy Composition: 99.3% Tin / 0.7% Copper (Sn99.3Cu0.7)

• Lead-Free & RoHS Compliant

• Flux Content: 3% no-clean rosin-based core

• Melting Point: ~227°C (441°F)

• Wire Diameter: 0.3mm, 0.6mm, 0.8mm

• Application: Ideal for consumer electronics, circuit boards, electrical assembly, PCB assembly, and repair/rework

Benefits:

• Environmentally friendly, lead-free composition

• Excellent wetting on copper and other common surfaces

• Low spatter and minimal flux residue

• Suitable for both manual and automated soldering systems

• Bright, shiny finish with strong electrical and mechanical connections

Whether you're shifting toward greener practices or need a high-performance lead-free solder, our Sn99.3Cu0.7 solder wire delivers dependable results you can trust — without the hazards of lead.

Note: Use in a well-ventilated area and follow standard safety practices.