8419.90.95/Wafer Grinder Coolant Chiller Coils/Japan

Wafer Grinder Coolant Chiller Coils from Japan

Evaporator coils for chillers maintaining coolant at 18-22°C in semiconductor wafer grinders. Prevents thermal distortion during precision grinding per statistical note (a)(ii)(A). 8419.90.95 cooling process parts.

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

• Specify coil materials resistant to glycol-water coolant corrosion

• Document BTU capacity matched to specific grinder heat loads

• Avoid general refrigeration parts declaration (8418); prove semiconductor integration