2929.10.80/1,5-Naphthalene Diisocyanate (NDI)/Japan

1,5-Naphthalene Diisocyanate (NDI) from Japan

NDI features two isocyanate groups on a naphthalene ring system, falling under HTS 2929.10.80 as other isocyanates. Primarily employed in spandex fiber production and high-strength polyurethane elastomers.

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 fiber-grade purity specifications (≥99.5%) in commercial invoice

• Declare sublimation point data for proper storage condition declarations

• Comply with textile chemical precursor import notifications