Tungsten(IV) Chloride Powder from Mexico
Tungsten(IV) chloride powder (WCl4) is utilized in microelectronics for depositing tungsten silicide layers via CVD. This chemically pure compound falls under HTS 2827.39.40.00 as tungsten chlorides. It requires moisture-free handling.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Semiconductor-grade purity certification mandatory; ESD-safe packaging required; ITAR check if defense applications