ZSM-5 Zeolite Catalyst Base from China
ZSM-5 is a medium-pore aluminosilicate zeolite with MFI framework topology used in methanol-to-gasoline processes. Classified in HTS 2842.10.00.00 as chemically defined complex silicate. Its intersecting 10-ring channels enable selective conversion.
Duty Rate — China → United States
41.2%
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
• Document framework type and SAR ratio precisely; comply with REACH if destined for EU; differentiate from metal-exchanged variants under 2842 other subheadings