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Disposable Nano-Fiber Filter Face Mask from China

Advanced disposable mask incorporating nano-fiber layers in non-woven structure for enhanced filtration without replaceable parts. HTS 6307.90.98.70 covers it as a disposable face mask, made-up textile article per chapter exclusions. Used in high-demand filtration scenarios.

Duty Rate — China → United States

69.5%

Rate breakdown

9903.91.0750%Effective with respect to entries on or after January 1, 2026, articles the product of China, as provided for in subdivision (h) of U.S. note 31 to this subchapter
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Provide nanofiber specs but note integral design; comply with TSCA for new materials

Issue: Tech claims triggering ITC review