Steel Diaphragm Valve for Wafer Lapping Slurry Control from Germany
Hand-operated steel diaphragm valve component regulating abrasive slurry flow in wafer lappers and polishers for semiconductor surface flatness. Under HTS 8481.90.3000 as steel part of hand-operated valves in wafer preparation equipment. Prevents particle contamination during critical polishing steps.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include slurry compatibility test reports; label as semiconductor equipment part to avoid general valve classification; check for anti-dumping on steel