Zirconium Oxide

Zirconium Oxide, with the chemical formula ZrO₂ and CAS Number 1314-23-4, is a white crystalline powder. It is practically insoluble in water and most acids but shows slight solubility in certain conditions.

Common synonyms include Zirconia and Zirconium dioxide. As a refractory material, Zirconium(IV) oxide demonstrates excellent thermal stability, chemical resistance, low thermal expansion, and high mechanical strength.

Technical Specifications

Packaging & Storage

• Net weight 25kg or 1000kg plastic woven bag lined with PE bag inner.

• Keep in a cool, dry, tightly sealed container away from moisture and incompatible substances.

Benefits of Zirconium Oxide

High Thermal Stability:

Withstands extreme temperatures, making it ideal for refractory and high-heat applications.

Superior Mechanical Strength:

High hardness, wear resistance, and fracture toughness for durable components. Chemical Inertness: Resists corrosion from acids, alkalis, and molten metals.

Biocompatibility:

Excellent for dental and medical implants with low toxicity and good tissue integration.

Low Thermal Conductivity and Expansion:

Provides thermal barrier coatings and precision engineering benefits.

Optical Properties:

High refractive index, useful in optics and ceramics.

Applications & Uses of Zirconium Oxide

Zirconium Oxide serves multiple industries thanks to its robust characteristics:

Ceramics and Refractories

• Production of high-temperature crucibles, furnace linings, and refractory bricks.

• Advanced structural ceramics for cutting tools, valves, and pump seals.

• Thermal barrier coatings (TBCs) in aerospace and turbine engines.

Dental and Biomedical

• Dental crowns, bridges, implants, and abutments due to its natural tooth-like appearance and biocompatibility.

• Orthopedic implants and tissue engineering scaffolds.

• Antimicrobial and drug-delivery applications in nanomaterials.

Industrial and Electronics

• Precision ball bearings, grinding media, and abrasive materials.

• Oxygen sensors, fuel cells, and electronic ceramics.

• Coatings for paper, paints, inks, and waterproofing agents in cosmetics (historical or limited use).

Other Uses

• Artificial gemstones (cubic zirconia), polishing compounds, and catalysts.

• Additives in enamels, glass, and pigments.

Frequently Asked Questions (FAQs)

Q: What are common synonyms for Zirconium Oxide?

A: It is also called Zirconia, Zirconium Dioxide, Zirconic Anhydride, and Pigment White 12.

Q: Is Zirconium Oxide safe for use in dental applications?

A: Yes, high-purity Zirconium Oxide is widely used in dental implants and restorations due to its excellent biocompatibility, strength, and aesthetic properties.

Q: How should Zirconium Oxide powder be stored?

A: Store in a cool, dry, tightly sealed container away from moisture and incompatible materials.   Provide good ventilation to minimize dust accumulation.

Q: Is Zirconium Oxide water-soluble?

A: No, it is practically insoluble in water and most acids/alkalis at room temperature.

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