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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If derived from natural ores without synthetic processing
Natural tantalum or niobium ores and concentrates fall under a separate subheading, excluding fully synthetic blends.
If further refined into antimony oxides or similar chemical compounds
Processed beyond concentrate stage into chemical forms shifts classification to Chapter 28 inorganic chemicals.
If primarily niobium with iron ore impurities classified as coarse
Roast-reduced niobium ores resembling iron ore concentrates may classify under Chapter 26 iron ores if majority particles exceed 4.75mm.
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Import Tips & Compliance
• Obtain assay certificates verifying tantalum and niobium content as per statistical notes, without deductions, for accurate declaration
• Ensure documentation distinguishes synthetic from natural concentrates to avoid misclassification under 2615.90.10
• Comply with REACH-like regulations for conflict minerals reporting (e.g
• Dodd-Frank) due to tantalum's sourcing risks
Related Products under HTS 2615.90.30.00
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.
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.
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.