Martialite Synthetic Aluminum Hydroxide from Germany
Synthetic bayerite/polymorphic aluminum hydroxide used in ceramics and catalyst manufacturing. HTS 2818.30.00.00 classification due to defined crystal structure distinct from natural minerals. High surface area >200m²/g for adsorption applications.
Duty Rate — Germany → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include X-ray diffraction (XRD) analysis confirming synthetic polymorphs
• Declare thermal stability data as decomposition affects handling and classification