Refractory Grade Zirconium Dioxide
Coarse zirconium dioxide for refractory brick production in steel furnaces. Chemically defined ZrO2 under HTS 2825.60.00.20. Withstands extreme temperatures and corrosion.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-mixed into refractory mortar sets
Prepared refractory compositions shift to Chapter 69 goods.
If containing high fused silica impurities
Silica-rich fused products are Chapter 25 minerals.
If as non-chemical defined foundry additive
Chemical admixtures for foundries are preparations.
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Import Tips & Compliance
• Specify grain size distribution for customs valuation; comply with refractory material testing standards; bulk ship in silos to cut costs
Related Products under HTS 2825.60.00.20
Zirconium Dioxide Powder (ZrO2)
High-purity zirconium dioxide powder, chemically defined as ZrO2, used primarily in ceramics and refractories. It falls under HTS 2825.60.00.20 as a metal oxide of zirconium, specifically zirconium dioxide, per Chapter 28 notes for inorganic compounds. This powder is stabilized and suitable for high-temperature applications.
Yttria-Stabilized Zirconia (YSZ) Powder
Zirconium dioxide stabilized with 8% yttria (Y2O3) for thermal barrier coatings, classified as chemically defined ZrO2 under HTS 2825.60.00.20. The stabilization maintains its status as zirconium dioxide per subheading note. Used in aerospace turbine blades.
Monoclinic Zirconia Powder
Pure monoclinic phase zirconium dioxide powder for dental ceramics and jewelry. Classified under HTS 2825.60.00.20 as it is chemically defined ZrO2 without organic additives. Ideal for high-strength prosthetic applications.
Zirconium Dioxide Nanopowder
Ultra-fine zirconium dioxide nanoparticles (<100nm) for advanced coatings and catalysts. Remains under HTS 2825.60.00.20 as chemically defined ZrO2 regardless of particle size. Used in fuel cells and optical films.
Fused Zirconia Powder
Fused zirconium dioxide powder produced by melting zircon sand, for abrasive and refractory uses. Classified as ZrO2 under HTS 2825.60.00.20 per chemical definition. High thermal stability for furnace linings.
Zirconia for Solid Oxide Fuel Cells (SOFC)
Scandia-stabilized zirconia powder for SOFC electrolytes, chemically ZrO2 per HTS 2825.60.00.20. High ionic conductivity at elevated temperatures. Used in clean energy applications.