9001.10.00.30/G.654.C Ultra Low Loss Fiber/Japan

G.654.C Ultra Low Loss Fiber from Japan

ITU-T G.654.C pure silica core single-mode optical fiber with ultra-low attenuation (≤0.154 dB/km at 1550nm) for submarine cable systems transmitting transoceanic voice, data, and video communications. Optimized for 1550nm operation. HTS 9001.10.0030.

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

• Provide proof attenuation ≤0.154 dB/km @1550nm for submarine grade

• Declare pure-silica core/cladding structure (no germanium)

• Include hydrogen aging test results for submarine qualification