Cerium Tungstate Catalyst from Germany
Cerium tungstate (Ce2(WO4)3) serves as a heterogeneous catalyst in oxidation reactions, under HTS 2841.80.00. Its structure provides high surface area for industrial catalysis.
Duty Rate — Germany → United States
5.5%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Catalyst passport with activity data prevents preparation reclassification
• Declare support material absence (<1% binder)
• EPA chemical import notification for new catalysts