Float Zone Crystal Grower Crucible Mold

Mold for crucibles in float zone crystal growers used to produce pure silicon crystals for semiconductor wafers. Classified under HTS 8480.49.0090 as other molds for metal or metal carbides in semiconductor boule production.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.1%+35.0%38.1%
🇲🇽Mexico3.1%+10.0%13.1%
🇨🇦Canada3.1%+10.0%13.1%
🇩🇪Germany3.1%+10.0%13.1%
🇯🇵Japan3.1%+10.0%13.1%

Alternative Classifications

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

8480.79Lower: 13.1% vs 38.1%

If molds exclusively for glass or mineral materials

Chapter notes separate glass/mineral molds into different subheading.

6903.20.00.00Lower: 35% vs 38.1%

If made entirely of refractory ceramics

Ceramic refractories for metal processing classified in Chapter 69.

8419.89.95Higher: 39.2% vs 38.1%

If integral part of industrial furnace

Furnace components for crystal growth may classify under Chapter 84 ovens/furnaces.

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Import Tips & Compliance

• Include process flow diagrams showing mold use in float zone semiconductor crystal growth

• Ensure labeling specifies metal carbide construction for proper classification