Float Zone Crystal Grower

Equipment employing the float zone method to produce high-purity monocrystalline semiconductor boules through localized melting and resolidification zones. Classified under HTS 8419.89.95.85 for its heating and cooling processes on 'other materials' like silicon or gallium arsenide in semiconductor production.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China4.2%+35.0%39.2%
🇲🇽Mexico4.2%+10.0%14.2%
🇨🇦Canada4.2%+10.0%14.2%
🇩🇪Germany4.2%+10.0%14.2%
🇯🇵Japan4.2%+10.0%14.2%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8514.90Lower: 10% vs 39.2%

If classified as industrial furnace with resistance heating

Equipment of heading 8514 includes furnaces for material treatment regardless of semiconductor use.

8419.89.95Same rate: 39.2%

If for silicon-specific crystal growth equipment

Silicon materials have dedicated subheading; 'other materials' like GaAs use 8419.89.95.85.

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Import Tips & Compliance

Provide process flow diagrams showing float zone RF heating to confirm classification under semiconductor statistical notes

Ensure documentation distinguishes from general melting furnaces to prevent reclassification

Watch for partial assemblies; complete systems may shift to 8486 if deemed semiconductor fab machines

Related Products under HTS 8419.89.95.85

Wafer Lapping Machine

Equipment that lap semiconductor wafers to achieve precise flatness and thickness uniformity using abrasive slurries and temperature-controlled platens. Classified in HTS 8419.89.95.85 for wafer preparation involving material treatment by temperature change on other semiconductor materials.

Gallium Arsenide Wafer Grinder

Specialized grinder for back-thinning GaAs compound semiconductor wafers to device fabrication thicknesses with integrated cooling systems. Specifically HTS 8419.89.95.85 for 'other materials' (non-silicon) wafer preparation equipment.

Silicon Carbide Wafer Polishing Station

Temperature-controlled polishing station for SiC wafers used in power electronics, featuring high-temperature slurries and precise thermal management. Classified HTS 8419.89.95.85 as wafer prep for other semiconductor materials beyond silicon/GaAs.

RF Zone Refiner for Semiconductors

Radio frequency zone refining furnace for ultra-purification of semiconductor rod materials through repeated melting/solidification passes. Falls under HTS 8419.89.95.85 for temperature treatment equipment processing other semiconductor materials.

Edge Grinding Machine for Wafers

Automated edge profiling and grinding machine for semiconductor wafers to prevent chipping during handling, with coolant temperature regulation. HTS 8419.89.95.85 for wafer preparation cooling processes on other materials.

Double-Sided Wafer Lapper

Simultaneous double-sided lapping equipment for semiconductor wafers achieving sub-micron thickness uniformity through synchronized temperature-controlled platens. Classified under HTS 8419.89.95.85 for advanced wafer preparation on other materials.