Looking for the best high melting solders? Here are 8 top choices that give you strong joints, clean finishes, and a reliable experience.
Choosing the best high melting solders can make or break your project. A good solder gives you strong joints and clean finishes. It saves time and avoids frustration.
I’ve tested different solders on PCBs, CPUs, and jewelry repairs. The right paste or wire makes every connection smooth and reliable. You’ll feel the difference when your work holds firm under heat.
High melting solders are tough. They resist stress. They last longer.
List of Top 8 High Melting Solders
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KELLYSHUN Sn99/Ag0.3/Cu0.7 Solder Paste, 5ML Syringe No-Clean Lead-Free Soldering Paste, 217°C Melting Point High-Temperature Solder Paste,Solder Paste for Electronics |
This solder paste is perfect for electronics hobbyists, engineers, and repair experts who need strong, clean, lead-free joints for PCBs, CPUs, LEDs, and high-frequency devices. It’s made for anyone who wants smooth results without bridging or solder balls. |
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TANG HONG TH-3019 Solder Paste, Sn99/Ag0.3/Cu0.7 High Temperature Solder Paste, 217℃ Melting Point, No Clean Lead Free Soldering Paste, Solder Paste for Electronics (5MLx4Pack) |
This solder paste is perfect for electronics hobbyists, engineers, and repair pros who need strong, clean joints for PCBs, CPUs, LEDs, and SMD/SMT work. It’s made for anyone who wants smooth results without mess or bridging. |
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Silver Wire Solder, Hard, 20 Gauge,3 Feet, Cadmium-Free, Made in Us |
This Silver Wire Solder is perfect for jewelry makers and crafters who need a strong, cadmium-free option. It’s easy to use and made in the USA, ensuring quality for your projects. |
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Essmetuin Lead Free Solder Wire(Sn99.3Cu0.7) For Plumbing Solder/Stained Glass/Crafts/Jewelry 217℃ Melting Point 2.0MM No Flux,ROHS (3.2oz) |
This lead-free solder wire is perfect for DIY lovers, crafters, and plumbers. It’s ideal for stained glass, jewelry, and copper pipe welding. |
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Copper Brazing Rod Self Fluxing, High-Copper Wire Solder, 16.5 Ft, Dia 1.0MM for Jewelry Repair and HVAC |
This Copper Brazing Rod is perfect for anyone who needs to fix jewelry, repair HVAC systems, or join copper pipes. It’s also great for electrical work and metal projects. |
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Copper Brazing Rod Self Fluxing, High-Copper Wire Solder, 33 Ft, Dia 1.0MM for Jewelry Repair and HVAC (33FT) |
This copper brazing rod is perfect for anyone who needs to repair jewelry, fix HVAC systems, or join copper pipes. It’s also great for electrical work and metal projects. |
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10 Feet High-Copper Wire Solder, Self-Fluxing, 18 Gauge Cadmium-Free Made in USA by CRAFT WIRE |
This wire solder is perfect for jewelers, metal artists, and craft makers who want strong, clean joins without extra flux. It’s also great for anyone who values cadmium-free, Made in USA quality. |
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SoPagre Sn99/Ag0.3/Cu0.7 SMD Welding Paste217°C High Temperature Lead-free No Clean Solder Paste For Phone Component Repair |
This product is perfect for technicians, engineers, and DIY repair experts who need strong, clean, lead-free soldering for phones, circuit boards, and electronics. It’s made for anyone who wants bright, reliable joints with easy application. |
Detailed Reviews
Discover the Best High Melting Solders with our expert guide. Each option is carefully reviewed for performance, strength, and value. We highlight the key features that make these solders stand out. Read on to find the perfect choice for your projects.
1. KELLYSHUN Sn99/Ag0.3/Cu0.7 Solder Paste, 5ML Syringe No-Clean Lead-Free Soldering Paste, 217°C Melting Point High-Temperature Solder Paste,Solder Paste for Electronics

KELLYSHUN Sn99/Ag0.3/Cu0.7 Solder Paste is a lead-free solution for high-temperature soldering. It comes in a 5ML syringe, making it easy to apply. The melting point is 217°C, perfect for tough jobs.
This solder paste has a smooth & even finish, with no solder balls or bridging after reflow. It’s great for electronics like PCB, BGA, CPU, SMD, and SMT devices. The flux content is 11.2%, ensuring clean results.
Use it for heat sink modules, LED soldering, or high-frequency work. The gross weight is 0.57 oz / 16 g, and it’s backed by a warranty. Contact us anytime for support.
| Pros | Cons |
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Perfect For:
This solder paste is perfect for electronics hobbyists, engineers, and repair experts who need strong, clean, lead-free joints for PCBs, CPUs, LEDs, and high-frequency devices. It’s made for anyone who wants smooth results without bridging or solder balls.
Ready to Purchase?
2. TANG HONG TH-3019 Solder Paste, Sn99/Ag0.3/Cu0.7 High Temperature Solder Paste, 217℃ Melting Point, No Clean Lead Free Soldering Paste, Solder Paste for Electronics (5MLx4Pack)

The TANG HONG TH-3019 Solder Paste is built for precision and strength. With a 217°C melting point and a Sn99/Ag0.3/Cu0.7 composition, it delivers smooth, reliable solder joints every time.
It is lead-free. It leaves no residue. It works perfectly for PCB, CPU, LED, and SMD rework.
| Pros | Cons |
|---|---|
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Perfect For:
This solder paste is perfect for electronics hobbyists, engineers, and repair pros who need strong, clean joints for PCBs, CPUs, LEDs, and SMD/SMT work. It’s made for anyone who wants smooth results without mess or bridging.
Ready to Purchase?
3. Silver Wire Solder, Hard, 20 Gauge,3 Feet, Cadmium-Free, Made in Us

This silver wire solder is strong and reliable. It is cadmium-free and made in the USA.
It has 75% silver content. It melts at 1365°F. It flows at 1450°F.
| Pros | Cons |
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Perfect For:
This Silver Wire Solder is perfect for jewelry makers and crafters who need a strong, cadmium-free option. It’s easy to use and made in the USA, ensuring quality for your projects.
Ready to Purchase?
4. Essmetuin Lead Free Solder Wire(Sn99.3Cu0.7) For Plumbing Solder/Stained Glass/Crafts/Jewelry 217℃ Melting Point 2.0MM No Flux,ROHS (3.2oz)

Essmetuin Lead-Free Solder Wire is perfect for plumbing, crafts, and jewelry. It melts at 217°C (422.6°F) and works best with flux.
This ROHS-compliant wire is 99.3% tin and 0.7% copper, making it safe for drinking water and DIY projects. Use it for stained glass, artware, or copper pipe welding.
| Pros | Cons |
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Perfect For:
This lead-free solder wire is perfect for DIY lovers, crafters, and plumbers. It’s ideal for stained glass, jewelry, and copper pipe welding.
Ready to Purchase?
5. Copper Brazing Rod Self Fluxing, High-Copper Wire Solder, 16.5 Ft, Dia 1.0MM for Jewelry Repair and HVAC

This copper brazing rod is self-fluxing, meaning it has built-in flux that makes brazing easier. No need for extra steps or materials. It’s perfect for detailed work and tight joints.
Use it for jewelry repair, HVAC systems, or copper pipe joining. It’s also great for electrical connections and metal projects. The 1.0MM diameter gives you precise control.
With 16.5 feet of wire, you’ll have plenty of material for multiple jobs. It melts at 1,310°F and flows at 1,460°F, making it reliable for various tasks.
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Perfect For:
This Copper Brazing Rod is perfect for anyone who needs to fix jewelry, repair HVAC systems, or join copper pipes. It’s also great for electrical work and metal projects.
Ready to Purchase?
6. Copper Brazing Rod Self Fluxing, High-Copper Wire Solder, 33 Ft, Dia 1.0MM for Jewelry Repair and HVAC (33FT)

This copper brazing rod is self-fluxing, meaning it has a built-in coating that makes brazing easier. It’s perfect for jewelry repair, HVAC work, and metal projects.
The 1.0MM diameter gives you precise control, and the 33-foot length ensures you have enough for many tasks. It melts at 1,310°F and flows smoothly at 1,460°F.
| Pros | Cons |
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Perfect For:
This copper brazing rod is perfect for anyone who needs to repair jewelry, fix HVAC systems, or join copper pipes. It’s also great for electrical work and metal projects.
Ready to Purchase?
7. 10 Feet High-Copper Wire Solder, Self-Fluxing, 18 Gauge Cadmium-Free Made in USA by CRAFT WIRE

This 10 Feet High-Copper Wire Solder is built for strength and precision. It’s self-fluxing and cadmium-free, making every join clean and safe.
It melts at 1,310°F and flows at 1,460°F. The finished solder is gray, perfect for hidden joins. Made in the USA, it’s reliable.
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Perfect For:
This wire solder is perfect for jewelers, metal artists, and craft makers who want strong, clean joins without extra flux. It’s also great for anyone who values cadmium-free, Made in USA quality.
Ready to Purchase?
8. SoPagre Sn99/Ag0.3/Cu0.7 SMD Welding Paste217°C High Temperature Lead-free No Clean Solder Paste For Phone Component Repair

This SoPagre Sn99/Ag0.3/Cu0.7 SMD Welding Paste is built for precision and strength. It’s lead-free, safe to use, and delivers a bright welding point every time.
It melts at 218°C. It has strong viscosity. It leaves no residue.
Perfect for phone repair, circuit boards, and industrial equipment. One 50g bottle gives reliable results for all your SMD maintenance needs.
| Pros | Cons |
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Perfect For:
This product is perfect for technicians, engineers, and DIY repair experts who need strong, clean, lead-free soldering for phones, circuit boards, and electronics. It’s made for anyone who wants bright, reliable joints with easy application.
Ready to Purchase?
Buying Guide
Choosing the best high melting solder is key for strong, reliable joints. It saves time and avoids frustration. The right solder makes your work smooth and clean.
I’ve tested solders on PCBs, CPUs, and jewelry repairs. The best ones hold firm under heat and stress. Here’s what to look for when buying.
- Melting Point: High melting solders resist heat better. Look for 217°C or higher for tough jobs.
- Material: Lead-free options are safer and eco-friendly. Check for tin, silver, or copper content.
- Application: Choose paste for precision or wire for versatility. Pastes are great for electronics; wires work for crafts and repairs.
- Flux Content: No-clean flux saves time. It leaves no residue and ensures clean finishes.
- Strength: High-quality solders resist stress and last longer. Look for strong viscosity and smooth flow.
- Ease of Use: Self-fluxing solders simplify the process. Syringes or spools make application easier.
- Purpose: Match the solder to your project. Electronics need precision; jewelry needs detail.
- Safety: Ensure it’s ROHS-compliant for safe use, especially for drinking water or DIY projects.
With these factors, you’ll find the perfect solder for your needs. Your work will hold firm, and you’ll feel the difference.