Acid Casein Hydrolyzed Derivative from Mexico
Acid casein hydrolyzed derivative undergoes acid precipitation followed by hydrolysis for use in adhesives and nutrition. Classified in HTS 3501.90.60.00 as other derivatives, it differs from casein glues which are specifically excluded to this subheading. Its dual-use profile fits industrial and food sectors.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Distinguish from glues via non-adhesive formulation specs in invoices
• Test pH levels (typically 4.0-5.0) to verify acid processing
• Declare end-use to avoid anti-dumping scrutiny on adhesive precursors