8481.80.90.50/Wafer Grinder Coolant Control Valve/Japan

Wafer Grinder Coolant Control Valve from Japan

Precision solenoid valve for metering diamond slurry coolant in wafer grinding and lapping machines during semiconductor wafer preparation. HTS 8481.80.9050 covers such other appliances in wafer prep equipment pipelines. Features low-particle generation for flatness-critical processes.

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%

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Import Tips

• Label with exact tolerances (e.g

• <0.1um particle size) to support semiconductor classification

• Pair with wafer grinder invoices to demonstrate process-specific use

• Avoid misclassification by specifying 'not for general plumbing' in entry docs