Microbiological Agar-Agar from China
Microbiological agar-agar is a refined powder from red algae used as a solidifying agent in petri dishes for bacterial cultures. It is classified under HTS 1302.31.00.00 as pure, unmodified agar-agar functioning as a vegetable-derived mucilage. This distinguishes it from nutrient media or modified lab reagents.
Duty Rate — China → United States
20%
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include lab-grade certificates showing bacterial endotoxin limits for research imports
• Declare intended use as microbiological medium to prevent medicinal reclassification