Mullite Powder Refractory Castable from Germany
Synthetic mullite-based castable for glass furnace regenerators. HTS 3816.00.20.50 classification for alkali resistance to 1450°C. 3:2 alumina-silica ratio optimizes creep resistance.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• XRD analysis confirms mullite phase purity
• Creep rate data (<0.5% at temp) essential