Spiral Classifier Overflow Weir from Mexico
Adjustable overflow weir plate for spiral classifiers that separate fine minerals from coarser particles in washing circuits. Fits HTS 8474.90.0010 as part of mineral washing/separating equipment. Typically polyurethane or steel for corrosion resistance.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Document angle adjustment mechanism to prove classification function
• Pair with full classifier assembly BOM for context in CBP rulings
• Avoid bulk packaging that suggests general steel fabrication