Ceramic Check Valve for Wafer Grinding Coolant Lines from Canada
Hand-operated ceramic check valve preventing backflow in coolant systems for wafer grinders and lappers in semiconductor preparation. HTS 8481.90.5000 covers ceramic as 'other materials' for check valve parts in precise flatness processing equipment.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include hardness and abrasion resistance specs proving suitability for grinding applications
• Label as 'semiconductor check valve part' to align with statistical notes on wafer prep