UV Curable Photoinitiator Emulsion from Japan

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 — Japan → United States

16.5%

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

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