Monel Float Zone Crystal Puller Vacuum Valve Body from Mexico
Monel alloy valve body for vacuum systems in float zone crystal pullers producing high-purity monocrystalline semiconductor boules. Classified in HTS 8481.90.9060 as a specialized part for semiconductor crystal growth equipment. Withstands extreme vacuum and thermal cycling in zone refining processes.
Duty Rate — Mexico → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) 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
• Provide vacuum leak test results certified to semiconductor equipment standards
• Classify with reference to statistical note (a)(i) for crystal growers & pullers