Tabular Crude Alumina Corundum Lumps from Japan
Tabular crude alumina corundum lumps are produced via sintering and fusion, resulting in dense, plate-like crude structures of artificial corundum. Classified in HTS 2818.10.10.00 for its unprocessed crude form and aluminum oxide composition. Used in advanced ceramics and refractories.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include sintering process details to affirm artificial status per Chapter definitions
• Avoid retail packaging; bulk crude only to stay in 2818.10.10
• Test for complex salts per 2842 note if additives suspected