Carboxylated Styrene-Butadiene Rubber (XSBR) Dispersion from China
XSBR is an SBR variant with carboxylic acid groups for improved adhesion, supplied as aqueous paste for tire cord dipping and foam production. Classified in HTS 4002.19.00 as it retains synthetic rubber character in primary paste form without disallowed fillers or extenders. Essential for applications needing bonding enhancement.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include FTIR analysis confirming carboxylation and rubber content >50%; declare total solids percentage accurately
• Avoid bulk shipments mistaken for waste under 4004; obtain prevulcanization certificates if applicable