Description

Zirconium Silicate is an inorganic compound prized for its exceptional hardness, chemical inertness, and high-temperature stability. This material serves as a critical functional component in numerous industrial processes, offering superior performance in demanding environments. It is essential for manufacturers in the ceramics, foundry, refractory, and surface coating industries seeking to enhance product durability and thermal properties. Its consistent quality and reliable supply are fundamental for maintaining production efficiency and final product integrity.

Application

• Ceramics & Glazes: A primary opacifier and whitening agent in ceramic glazes, tiles, and sanitaryware, providing excellent brightness and opacity.
• Refractory Materials: A key ingredient in high-temperature refractories, linings, and insulating materials for furnaces and kilns due to its thermal stability.
• Foundry Sands & Molds: Used in investment casting and as a facing sand in foundries to create smooth metal casting surfaces and resist metal penetration.
• Abrasive & Polishing Compounds: Employed in precision grinding, lapping, and polishing applications for glass, metals, and semiconductors.
• Protective Coatings: Imparts wear, corrosion, and thermal resistance in specialized paints, coatings, and enamels for industrial equipment.
• Electronics & Optics: Utilized in dielectric ceramics, substrates, and specialized glass formulations for its electrical and optical properties.
• Catalyst Support: Acts as a stable, inert support material for various catalysts in chemical synthesis processes.
• Pigment & Filler: Serves as an extender and functional filler in plastics, rubber, and composites to improve mechanical properties.

Basic Information

Product Name	Zirconium Silicate
CAS No.	14940-68-2
Molecular Formula	ZrSiO₄
Molecular Weight	183.31 g/mol
Synonyms	Zircon; Zirconium(IV) silicate; Zirconium orthosilicate; Hyacinth; Jacinth; Zircon flour; Zircon sand; Zirconium silicon oxide
EINECS	239-019-6

Quality Control

Our Zirconium Silicate is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and compliance with industry specifications. Key parameters such as zirconium dioxide (ZrO₂) content, particle size distribution, and impurity levels are rigorously controlled. A Certificate of Analysis (COA) detailing purity, physical characteristics, and chemical composition is provided with every shipment to guarantee traceability and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed to minimize exposure to atmospheric moisture and contaminants. Separate from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white fine powder
Assay (as ZrSiO₄)	≥ 98.0 %
Zirconium Dioxide (ZrO₂) Content	≥ 63.0 %
Silicon Dioxide (SiO₂) Content	≥ 33.0 %
Particle Size (D50)	1.0 - 10.0 µm (Customizable)
Loss on Ignition (LOI)	≤ 0.5 %
Iron (Fe)	≤ 0.1 %
Titanium (Ti)	≤ 0.2 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.