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UV Curable Photoinitiator Emulsion from Canada

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 — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 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