APT-Feed Tungsten Concentrate
Purified concentrate specifically prepared as feedstock for ammonium paratungstate (APT) production, with low silica/phosphorus impurities. HTS 2611.00.60.00 applies to all tungsten concentrates including those for chemical processing.
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 tungstates or paratungstates
Soluble tungstates are inorganic chemicals in Chapter 28.
If roasted or calcined concentrates
Heat-treated concentrates have distinct subheadings.
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Import Tips & Compliance
• Specify impurity levels in documentation to prevent reclassification as chemicals
• Verify country-of-origin rules as China dominates tungsten supply
• Consider anti-dumping duties applicable to certain tungsten concentrate origins
Related Products under HTS 2611.00.60.00
Scheelite Tungsten Concentrate
A high-grade concentrate derived from scheelite ore (CaWO4), containing approximately 65-70% WO3 after flotation processing. Classified under HTS 2611.00.60.00 as tungsten concentrates, distinct from raw ores in subheading 2611.00.10.00 due to beneficiation increasing metal content.
Wolframite Tungsten Concentrate
Flotation concentrate from wolframite ore ((Fe,Mn)WO4), typically assaying 60-68% WO3 with iron/manganese impurities. Falls under HTS 2611.00.60.00 specifically for tungsten concentrates prepared for downstream processing into APT or metal.
High-Grade Ferberite Tungsten Concentrate
Premium concentrate from ferberite (FeWO4), enriched to over 70% WO3 via multi-stage flotation. HTS 2611.00.60.00 covers such beneficiated tungsten concentrates used in electronics and aerospace applications.
Recycled Tungsten Ore Concentrate
Concentrate recovered from mining tailings or recycled scheelite/wolframite, processed to 55-65% WO3. Qualifies under HTS 2611.00.60.00 as tungsten concentrates regardless of secondary origin.