Rare Earth Naphthenate Lamp Additive from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• ICP-OES for rare earth assay; conflict minerals reporting
• RoHS exemption certs for lighting; not 2846 phosphors
• China origin quotas affect pricing