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7002.32.00.00/Borosilicate Glass Tubes for Fiber Optic Preforms/Japan

Borosilicate Glass Tubes for Fiber Optic Preforms from Japan

Unworked low-expansion glass tubes serving as overcladding in fiber optic preform manufacturing for telecommunications cables. HTS 7002.32.00.00 for unworked low-expansion tubes.

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

• Include doping specifications and purity levels in documentation

• Ship in nitrogen-purged containers to prevent contamination