Mordenite Aluminosilicate Powder from China
Mordenite is a high-silica aluminosilicate zeolite used in gas separation and purification. Falls under HTS 2842.10.00.00 as a defined complex silicate structure. Its two-dimensional pore system provides shape-selective catalysis properties.
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
• Submit XRD patterns confirming mordenite structure; verify SiO2/Al2O3 ratio >10 for proper heading; prevent confusion with amorphous silica gels under 2811