Ditungsten Trioxide (W2O3) Technical Grade from China
Technical grade ditungsten trioxide used in alloy production and high-temperature ceramics. Falls under HTS 2825.90.30.00 as a defined tungsten oxide compound per Chapter 28 specifications. Excluded from other chapters due to its inorganic metal oxide nature.
Duty Rate — China → United States
30.5%
Rate breakdown
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include assay certificate showing tungsten oxide content >95% to prevent classification as waste or scrap
• Check for anti-dumping duties on tungsten products from specific countries; maintain origin certificates
• Package in UN-approved containers for oxidizer classification (DOT 5.1)