Stabilized Methylphosphonic Acid Flakes from Mexico
Stabilized methylphosphonic acid flakes contain minimal stabilizers added for safe transport, which is permitted under Chapter 29 Note 1(f). The product is used in polymer flame retardant production and falls under tariff item 2931.44.00 as a non-halogenated organo-phosphorous derivative. The stabilizer does not alter the product's general use.
Duty Rate — Mexico → Canada
0%
Import Tips
• Document the type and amount of stabilizer used, as excessive stabilizers could change classification
• Ensure the stabilizer is necessary for preservation or transport, not for specific use
• Provide a detailed product specification sheet to customs for verification