Thulium Oxide (Tm2O3) Powder
Thulium oxide utilized in X-ray phosphors and lasers. HTS 2846.90.20.40 for this chemically defined rare-earth oxide compound.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If as yttrium group oxide blend
Y-group mixtures (Y,H,Dy,Er,Tm) have dedicated suffix.
If finished phosphor pigment
Synthetic pigments exclude to Chapter 32.
If phosphide derivative form
Other complex compounds like phosphides to 2853.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Supply third-party assay for trace element exclusion
• Declare molecular weight and crystal structure if applicable
• Use proper segregation from magnetic materials during transport
Related Products under HTS 2846.90.20.40
Yttrium Oxide Powder (Y2O3)
High-purity yttrium oxide powder used in ceramics, superconductors, and phosphors for electronics. Classified under HTS 2846.90.20.40 as a chemically defined compound of the rare-earth metal yttrium, specifically a rare-earth oxide excluding cerium oxides. It meets Chapter 28 criteria for inorganic compounds of rare-earth metals.
Europium Oxide (Eu2O3) High Purity
Europium oxide used as red phosphor activator in fluorescent lamps and displays. Falls under HTS 2846.90.20.40 as a pure rare-earth oxide compound excluding cerium, per Chapter 28 definitions for inorganic rare-earth metal compounds.
Gadolinium Oxide (Gd2O3) 99.99% Pure
Ultra-pure gadolinium oxide for MRI contrast agents and phosphors. HTS 2846.90.20.40 covers this as a chemically defined rare-earth oxide of gadolinium, excluding cerium oxides per subheading.
Dysprosium Oxide (Dy2O3) Technical Grade
Technical grade dysprosium oxide used in permanent magnets and laser materials. Fits HTS 2846.90.20.40 as a rare-earth oxide compound of dysprosium, chemically defined per Chapter 28.
Neodymium Oxide (Nd2O3) 99.5% Purity
Neodymium oxide powder for glass coloring and NdFeB magnet production. Classified under HTS 2846.90.20.40 as a non-cerium rare-earth oxide compound.
Praseodymium Oxide (Pr6O11) Powder
Praseodymium oxide for ceramic capacitors and welding goggles. HTS 2846.90.20.40 applies to this pure rare-earth oxide excluding cerium compounds.