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3824.99.39.90/Zircon Flour and Sodium Silicate Refractory Mix/Mexico

Zircon Flour and Sodium Silicate Refractory Mix from Mexico

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 — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Include zircon content certification for refractory classification; ensure particle size specs match foundry requirements; prepare for potential CBP zircon import quota verification

Zircon Flour and Sodium Silicate Refractory Mix from Mexico — Import Duty Rate | HTS 3824.99.39.90