What are the internationally recognized quality specifications and standards for tin ingots?
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ISO 21638:2020 (International Organization for Standardization): Specifies chemical composition (e.g., Sn ≥ 99.85%), appearance, dimensions, and testing methods for tin ingots. - •
ASTM B339 (American Society for Testing and Materials): Defines purity grades (e.g., Grade A ≥ 99.90%) and limits for impurities (e.g., Pb ≤ 0.05%). - •
GB/T 728-2010 (Chinese National Standard): Requires Sn ≥ 99.90% and restricts impurities such as As, Sb, and Bi. - •
LME (London Metal Exchange) Standards: Mandates Sn content ≥ 99.85% and registered trademarks for traceability. -
How much is the tin price today?
| Today's price of tin ingots exported from China | |||||
| Product Name | Specification | price | Increase/Decrease | unit | Way |
| Tin ingots | 99.95%min | 284000-286000 | 1000 | Yuan/ton | Factory price |

