UV Curable Photoinitiator Emulsion from Mexico
Aqueous emulsion of triphenyl sulfonium chloride derivatives used as photoinitiators in UV-curable inks and coatings for electronics manufacturing. Classified under HTS 3824.99.2500 due to its precise composition of the named aromatic sulfonium chlorides in aqueous form with over 5% aromatic content.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include manufacturer's certificate of analysis confirming the exact sulfonium compounds and aqueous formulation
• Label containers with GHS hazard pictograms and UN numbers for DOT/CBP hazardous materials compliance
• Avoid classification errors by distinguishing from polymer dispersions (3906) which lack these specific initiators