8481.90.90.40/Wafer Lapping Machine Slurry Valve/China

Wafer Lapping Machine Slurry Valve from China

Specialized valve for metering abrasive slurry in wafer lappers and polishers that achieve flatness tolerances for semiconductor fabrication. It qualifies under HTS 8481.90.9040 as a part of 8481.20 valves in wafer preparation equipment.

Duty Rate — China → United States

37.5%

Rate breakdown

9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Calculate with your customs value Verify classification with AI

Import Tips

• Provide slurry compatibility test data to prove semiconductor-specific design

• Label with exact tolerances (e.g

• <1 micron flow control) for customs review

• Watch for undervaluation pitfalls when importing high-tech prototypes