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Lead‑free Solder Bars

Lead‑free solder bars are widely applied in RoHS‑compliant electronic‑manufacturing scenarios including new‑energy industries, automotive electronics, smart home appliances, precision PCB wave soldering and terminal dip soldering.

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Overview


Refined from eco‑friendly tin‑copper and tin‑silver‑copper alloy base materials, lead‑free solder bars contain no hazardous lead substances and meet RoHS environmental‑control requirements. They deliver stable wetting performance under high‑temperature melting conditions and are suitable for molten‑soldering operations on modern eco‑friendly production lines.



Applicable Processes


Fully‑automatic wave soldering, mass PCB dip soldering, tin plating of connection terminals, molten‑tin soldering for large‑scale metal hardware components.



Core Advantages



Regulatory‑compliant & Eco‑friendly


Lead‑free formulation complies with global environmental regulations of RoHS and REACH, supporting export for electronic‑product markets at home and abroad.


Low Oxidation & Minimal Dross Generation


Anti‑oxidant modified ingredients are incorporated into the alloy formulation. Low dross build‑up occurs during long‑term high‑temperature operation of solder pots, cutting solder material consumption and cleaning costs.


Robust Mechanical Performance of High‑temperature Solder Joints


Solder joints feature outstanding tensile strength and thermal‑shock resistance, well‑suited for demanding service conditions with severe temperature fluctuations such as automotive and new‑energy applications.



Balanced Melting Fluidity for Easy Process Control


Molten‑tin surface remains uniform and bright with consistent tin deposition, reducing soldering defects such as cold solder joints, missing solder and pinholes.





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