Quaternized Casein Cationic Derivative from Mexico
Quaternized casein cationic derivative adds positive charges for hair conditioning agents and antimicrobial films. HTS 3501.90.60.00 includes this charged protein derivative for personal care excluding chapter 34 preps. Enables substantive binding to negative substrates.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide zeta potential data (+20mV typical) proving quaternization
• Comply with CIR safety assessments for cosmetic ingredient filings
• Test quaternary ammonium residuals per EPA antimicrobial regs