Starch Textile Mordant Preparation from China
A mordant formulation with starch base that helps fix natural dyes to cellulose fibers in textile dyeing processes. It improves color fastness and prevents dye migration during washing. Classified in 3809.10.00.00 for its amylaceous mordant function in textile finishing.
Duty Rate — China → United States
20.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• Include lab analysis showing amylaceous substances as basis; declare exact dye-fixing function
• Ensure compliance with textile chemical restrictions (e.g
• AZO dyes)
• Separate from pure mordant chemicals under other headings