Rare Earth Naphthenate Lamp Additive from Canada
Cerium/lanthanum naphthenates dope high-intensity discharge lamps for improved color rendering and efficiency. Water-insoluble salts under HTS 3824.99.7550 as other naphthenic preparations. Used in metal halide and sodium vapor lighting.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• ICP-OES for rare earth assay; conflict minerals reporting
• RoHS exemption certs for lighting; not 2846 phosphors
• China origin quotas affect pricing