High-Alumina Refractory Cement from Japan
High-alumina refractory cement is a hydraulic cement composed primarily of calcium aluminate, designed for high-temperature applications in furnaces and kilns. It falls under HTS 2523.30.00.00 as aluminous cement due to its high alumina content enabling rapid setting and heat resistance. This cement is supplied as a fine powder ready for mixing with water.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify chemical composition certificates showing high alumina content to confirm classification under 2523.30
• Ensure packaging complies with DOT regulations for cement powders to avoid shipping delays