Steel Diaphragm Valve for Wafer Lapping Slurry Control from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include slurry compatibility test reports; label as semiconductor equipment part to avoid general valve classification; check for anti-dumping on steel