Copper Inline Check Valve for Semiconductor Wafer Lappers from Japan
Compact inline copper check valve exceeding 850 kPa for slurry lines in wafer lapping machines, ensuring consistent abrasive flow direction for flatness precision. Classified HTS 8481.30.10.90 as copper high-pressure check valve for semiconductor wafer preparation.
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 flow coefficient (Cv) data for performance verification; ensure particle-free copper for cleanroom use; file with correct statistical suffix for accurate duties