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8481.90.30.00/Steel Check Valve Spring for Wafer Polisher Slurry Lines/Canada

Steel Check Valve Spring for Wafer Polisher Slurry Lines from Canada

High-tensile steel spring component in hand-operated check valves for unidirectional slurry flow in semiconductor wafer polishers. Under HTS 8481.90.3000 as steel part of check appliances in wafer prep equipment. Ensures mirror-finish wafer surfaces.

Duty Rate — Canada → United States

15%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Specify spring constant and corrosion resistance; bundle with valve assembly docs; pitfall: undervaluation as generic springs

Steel Check Valve Spring for Wafer Polisher Slurry Lines from Canada — Import Duty Rate | HTS 8481.90.30.00