Porphyry Tungsten Ore from Canada
Low-grade disseminated scheelite in porphyry copper deposits, <0.3% WO3 byproduct. Under HTS 2611.00.30.00 as tungsten ore when shipped separately from copper. Assay quantity governs statistical reporting.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Separate tungsten stream documentation essential vs. copper ore (2603)
• Co-product revenue allocation may affect value declarations
• Test molybdenum interference in WO3 assays