Lead Free Solder 250g

Wiltronics lead-free solder is the trusted choice for Australian schools, STEM programs and modern electronics manufacturing.

Our Sn99.3/Cu0.7 solder delivers strong, clean joints with low-corrosive flux, making it ideal for safe, compliant learning environments and new product builds.

If you need RoHS compliance, reliable performance and safer classroom handling, lead-free solder is the perfect fit.

Why Lead-Free Solder?

• ✔ Preferred by schools & STEM educators nationwide
• ✔ RoHS compliant — no toxic lead
• ✔ Clean, consistent joints with low-corrosive KD-type flux
• ✔ Ideal for PCB work, kits, and classroom projects
• ✔ Suitable for new electronics & compliant repairs

Why Schools Trust Wiltronics Lead-Free Solder

• Eliminates exposure to lead
• Meets school chemical safety requirements
• Works with standard school soldering stations
• Supported by clear instructions, FAQs & temperature guides

Perfect for Year 7–12 technology, STEM clubs, makerspaces and VET programs.

Lead-Free FAQ

1. What is lead-free solder made of?
   Sn99.3/Cu0.7 alloy with low-corrosive flux.
2. Why do schools use lead-free solder?
   No lead exposure, safer for students, aligns with school WHS policies.
3. What temperature should I use?
   360–380 °C for best wetting.
4. Does lead-free solder look dull?
   Yes — joints naturally appear matte but are still strong and reliable.
5. Is lead-free solder suitable for PCB kits?
   Absolutely — ideal for electronics education and student projects.