PFA Lined Gate Valve for Wafer Slicing Saw Coolant from Mexico
Hand-operated gate valve with perfluoroalkoxy (PFA) liner for abrasive slurry control in wafer slicing saws from semiconductor boules. Classified in HTS 8481.90.5000 for plastic-lined 'other materials' parts in wafer prep equipment.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Validate PFA chemical resistance for silicon carbide slurries used in slicing
• Declare as 'wafer saw part' with photos to match statistical notes