8431.39.00.80/Wafer Carrier Ring/Mexico

Wafer Carrier Ring from Mexico

Consumable ceramic ring holding wafers during double-sided lapping/polishing operations. Fits HTS 8431.39.0080 for wafer prep equipment parts. Distributes pressure evenly across 12+ wafers.

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)

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Import Tips

• Specify material (Al2O3 99.5%) and slot pitch (e.g

• 100mm wafers)

• Common issue: general ceramic parts 6903

• Quantity valuation careful for consumables