Gas Purifier Inlet Manifold from Mexico
Stainless steel manifold that distributes process gases into point-of-use purifiers for removing impurities in semiconductor etching and deposition processes. It is a part of gas purifying apparatus under HTS 8421.99.01.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide gas compatibility certifications (e.g
• for NF3, ClF3) and pressure ratings
• Include bills of materials showing purifier assembly context for correct parts classification