High-Purity Chromium Carbide Crystals from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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