Degumming Silk Waste from Mexico
Fibrous residue from the degumming process of silk cocoons, classified in HTS 5003.00.90.00 as other silk waste. This sericin-removed material is in natural fiber state per unbleached yarn notes. Used in non-woven applications or blending.
Duty Rate — Mexico → United States
12.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include processing logs showing post-degumming state; declare moisture levels as they affect duty weight calculations; avoid packaging suggesting finished product status