High-Purity Chromium Carbide Crystals from China
Synthetic single-crystal chromium carbide (Cr3C2) grown for research and calibration standards in materials science. Chemically defined per Chapter 28 notes, classified under HTS 2849.90.20.00. Supplied as small crystals under 2.5g each.
Duty Rate — China → United States
41.7%
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 crystallographic analysis confirming chemical definition
• Declare as cultured crystals under 2.5g to avoid 3824 classification
• May require academic/research end-user certificates