Electronics-Grade Synthetic Columbite Concentrate
High-purity synthetic columbite (FeNb2O6 analog) concentrate with added tantalum for capacitor-grade feedstock. Falls under HTS 2615.90.30.00 as a synthetic Ta-Nb blend. Essential for manufacturing tantalum electrolytic capacitors in consumer electronics.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If converted to manganese oxides during processing
Chemical compounds shift to Chapter 28; niobium often co-occurs with manganese.
If cobalt-bearing with significant metal recovery value
Cobalt ores have dedicated heading 2605.
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Import Tips & Compliance
• Certify purity levels (>30% Ta2O5/Nb2O5) with third-party assays to support valuation
• Use proper NAICS codes for electronics end-use to qualify for potential duty relief programs
• Monitor for anti-dumping duties from specific origins like Brazil or Australia
Related Products under HTS 2615.90.30.00
Synthetic Tantalum-Niobium Ore Concentrate
This is a processed synthetic concentrate containing both tantalum and niobium (columbium) oxides, produced through chemical synthesis or solvent extraction for metal recovery. It falls under HTS 2615.90.30.00 as synthetic concentrates specifically blending tantalum and niobium, distinct from natural ores. Primarily used in the electronics industry for capacitor production.
Coltan Synthetic Concentrate Blend
A synthetic coltan concentrate mimicking natural tantalite-columbite, enriched with Ta2O5 and Nb2O5 via hydrometallurgical synthesis. Classified under HTS 2615.90.30.00 for its synthetic origin and dual tantalum-niobium composition. Key raw material for superalloy and electronics manufacturing.
Lab-Synthesized Ta-Nb Concentrate
Laboratory-produced synthetic concentrate of tantalum and niobium oxides for research or small-scale alloy production. HTS 2615.90.30.00 applies due to its synthetic nature and ore-concentrate form factor. Used in R&D for high-tech applications like aerospace components.
Hydrometallurgical Ta-Nb Synthetic Powder Concentrate
Powdered synthetic concentrate from solvent extraction-hydrometallurgy, containing 40-60% Ta/Nb oxides. Classified in HTS 2615.90.30.00 for synthetic ore mimics used in powder metallurgy. Feeds tantalum smelting for medical implants and jet engines.
Synthetic Pyrochlore Tantalum-Niobium Concentrate
Synthetic replicate of pyrochlore mineral ((Na,Ca)2Nb2O6(OH,F)) with tantalum doping, produced via precipitation. HTS 2615.90.30.00 covers this as synthetic Ta-Nb concentrate for ceramic dielectric production. Used in piezoelectric devices.