Stream Sediment Tin Concentrate from Mexico
Concentrate recovered from alluvial stream sediments via gravity separation, rich in cassiterite particles with 10-20% tin content. This natural tin ore concentrate is imported under HTS 2609.00.00.00 for direct use in tin smelters.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Declare exact tin assay quantity per statistical notes and provide geological source data; test for radioactive impurities common in alluvial deposits
• Ensure moisture content is accurately reported to prevent weight disputes