Zircon Flour and Sodium Silicate Refractory Mix from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include zircon content certification for refractory classification; ensure particle size specs match foundry requirements; prepare for potential CBP zircon import quota verification