Micellar Casein Isolate from China
Micellar casein isolate is a purified, slow-digesting casein derivative used in protein powders for muscle recovery. HTS 3501.90.60.00 covers it as an other casein derivative due to isolation processes beyond basic casein. It remains distinct from glues or chapter exclusions like hardened proteins.
Duty Rate — China → United States
20%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
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)
Import Tips
• Include micelle integrity test results to prove derivative processing from raw casein
• Use tamper-evident packaging for FDA nutritional labeling compliance on entry
• Monitor lactose content under 1% to avoid dairy powder misclassification