8468.80.50.00/RF Heating Zone Refiner/Japan

RF Heating Zone Refiner from Japan

Radio frequency zone refiner for purifying semiconductor polycrystals into monocrystalline form via repeated zone passes. Used in float zone processes for ultra-high purity. Fits HTS 8468.80.5000 as gas-operated or high-temp apparatus for semiconductor tempering.

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 RF power levels and zone speeds for classification; export licenses often required

• Avoid general furnace classification by proving purity specs