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Purity Levels: - •
99.90%–99.95% Sn (common high-purity grade). - •
99.99%+ Sn (ultra-high purity for electronics).
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Impurity Control: Extremely low Pb (≤ 0.001%), Cu, Ag, and other metals to prevent contamination. - •
Applications: - •
Semiconductors, PCBs, and high-reliability solder (e.g., aerospace, medical devices). - •
Battery manufacturing (e.g., lithium-ion anodes) and optical coatings.
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Certification: Often requires third-party lab testing (ICP-MS/ICP-OES) for trace elements.

