Reactive Alumina Powder A100 Grade from China
Reactive alumina A100 grade powder with high surface area for catalyst carriers and advanced ceramics. This ground, pulverized artificial corundum fits HTS 2818.10.20.90 as chemically defined aluminum oxide. Optimized for chemical reactivity in high-tech applications.
Duty Rate — China → United States
8.8%
Rate breakdown
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)
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
• Declare BET surface area values; high-reactivity grades must prove purity >99.5% Al2O3
• Static electricity precautions required for fine powders; use anti-static packaging
• Avoid classification as fertilizer additives (Chapter 31) by excluding calcium compounds