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8475.21.00.00/Czochralski Crystal Puller for Optical Fiber Preforms/Japan

Czochralski Crystal Puller for Optical Fiber Preforms from Japan

This machine uses the Czochralski method to grow high-purity silica monocrystalline boules from which optical fiber preforms are sliced. It melts silica in a crucible and slowly pulls a seed crystal to form the boule under precise temperature control. Classified under HTS 8475.21.00.00 as it is specifically designed for producing preforms used in optical fiber manufacturing.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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Import Tips

• Verify machine specifications confirm use for optical fiber preforms, as general glass working machines fall under other subheadings

• Provide technical documentation proving silica boule growth capability to avoid misclassification as wafer manufacturing equipment

• Ensure export licenses from origin country if technology involves controlled high-purity growth processes

Czochralski Crystal Puller for Optical Fiber Preforms from Japan — Import Duty Rate | HTS 8475.21.00.00