Casein Filler for Plastics from Mexico
Fine-ground casein acting as a biodegradable filler in plastic compounds, under HTS 3501.10.5000 for other industrial casein derivatives.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify particle size for filler use to prevent glue misclassification
• Comply with TSCA for US plastic additive notifications
• Ensure non-hardened state per Chapter 39 exclusions