Precision Solder.
Built to Perform.
KT Metals delivers consistent, high-purity RP Solder™ alloys trusted by electronics manufacturers and industrial assemblers worldwide.
The Full Solder Spectrum
From precision wire to high-performance paste and flux — every product engineered to exacting standards.
Solder Wire
Consistent flow. Reliable joints.
Available in Sn63/Pb37, SAC305, and custom alloys. Diameter range 0.3mm–3.0mm with rosin, no-clean, and water-soluble flux cores.
Solder Paste
Precision deposition. Zero compromise.
Type 3, 4, and 5 powder sizes for SMT assembly. Engineered for excellent slump resistance, fine-pitch printing, and long stencil life.
Explore Solder Paste
Flux Products
Clean activation. Superior wetting.
Liquid, gel, and paste flux formulations for wave, selective, and hand soldering. Low-residue and no-clean options available.
Explore Flux ProductsNeed a custom alloy?
We formulate bespoke solder alloys and flux chemistries for specialized applications.
Engineered for Reliability
Consistent Alloy Quality
Every batch is spectrographically analyzed to ensure alloy composition meets exact tolerances — no variance, no surprises.
Custom Formulations
We develop proprietary alloy blends and flux chemistries tailored to your specific process requirements and operating conditions.
Technical Support
Our metallurgical engineers work directly with your process team to optimize soldering performance and troubleshoot defects.
Reliable Supply Chain
Vertically integrated manufacturing and strategic raw material reserves ensure consistent availability — even during market disruptions.
Built for Demanding Environments
Electronics Manufacturing
PCB assembly, SMT lines, wave soldering, and selective soldering for consumer and industrial electronics.
Automotive
High-reliability solder alloys for ECUs, sensors, and safety-critical automotive electronics.
Industrial Equipment
Heavy-duty soldering solutions for power electronics, control systems, and industrial automation.
Ready to Partner with KT Metals?
Tell us your application and volume requirements. Our team will recommend the right alloy and formulation.