Zircon Flour and Sodium Silicate Refractory Mix from Germany
Pre-mixed zircon flour (zirconium silicate) and sodium silicate powder formulation for creating high-temperature resistant foundry molds and cores. This inorganic compound mixture under HTS 3824.99.39.90 provides superior thermal shock resistance for precision casting applications. Used extensively in steel and superalloy foundries.
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
• Include zircon content certification for refractory classification; ensure particle size specs match foundry requirements; prepare for potential CBP zircon import quota verification