Nanofabrication Sulfonium Chloride Solution from Canada
High-purity aqueous solution of the named sulfonium chlorides for extreme ultraviolet (EUV) lithography in nanofabrication. Classified in HTS 3824.99.2500 due to matching the subheading's specific chemical mixture definition.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Use NRTL-certified lab testing to confirm composition meets exact subheading requirements
• Include end-user statements proving semiconductor manufacturing use to avoid broader chemical classifications
• Watch for reclassification if concentration falls below 5% aromatic threshold