Tin ores and concentrates
Tin ores and concentrates
Duty Rate (from China)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2609.00.00.00
Cassiterite Ore
Cassiterite is the primary mineral ore of tin, typically appearing as dark brown to black crystals or granular masses containing 50-70% tin oxide. It falls under HTS 2609.00.00.00 as a tin ore and concentrate, used directly in smelting to extract metallic tin for alloys and solders.
Tin-Bearing Pyrrhotite Concentrate
A flotation concentrate derived from pyrrhotite deposits containing recoverable tin sulfides, with tin content around 2-5% after beneficiation. Classified under HTS 2609.00.00.00 as tin concentrates prepared for smelting, excluding roasted or calcined forms.
Stream Sediment Tin Concentrate
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.
High-Grade Bolivian Tin Ore
Premium tin ore from Bolivian vein deposits, primarily cassiterite with over 60% SnO2 content, mined and minimally crushed for export. Falls under HTS 2609.00.00.00 as unrefined tin ores and concentrates for metallurgical recovery.
Flotation Tin Concentrate from Skarn Deposits
Fine-particle tin concentrate produced by froth flotation from skarn-type deposits, containing 40-55% tin in cassiterite form. Imported as HTS 2609.00.00.00 for refining into tin metal used in electronics soldering.
Alluvial Cassiterite Gravel
Loose gravel concentrate from placer mining operations, consisting of cassiterite pebbles with 5-15% tin yield after washing. Classified under HTS 2609.00.00.00 as natural tin ores for gravity-based beneficiation.
Tin Ore from Greisen Deposits
Coarse-crushed ore from greisen-hosted cassiterite deposits, with tin grades of 1-3% suitable for heap leaching or milling. This raw tin ore is reported under HTS 2609.00.00.00 based on assay tin content.
Secondary Tin Concentrate from Tailings
Reprocessed concentrate from historic tin mine tailings, upgraded to 20% tin via modern flotation. Qualifies as tin concentrates under HTS 2609.00.00.00, distinct from primary slag residues.
Malaysian Tin Ore Lumps
Hand-sorted lump ore from Malaysian primary deposits, cassiterite lumps 10-50mm with high tin purity. Imported under HTS 2609.00.00.00 for crushing and smelting in alloy production.
Indonesian Offshore Tin Concentrate
Dredged concentrate from Indonesian seabed placer deposits, processed to 30% tin content via onboard plants. Falls under HTS 2609.00.00.00 as marine-derived tin concentrates.