Battery Grade Carboxymethylcellulose for Lithium-Ion from China

Ultra-pure CMC powder ≥90% content used as binder in lithium-ion battery anodes. Classifies in primary form HTS 3912.31.00.10 due to polymer composition rules. Critical for EV battery production.

Duty Rate — China → United States

31.4%

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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Provide particle size and ash content specs; ITAR-free declaration for battery materials

Pitfall: end-use statements triggering 8507 classification