Description

Zirconium Silicate is a high-performance, inert inorganic compound valued for its exceptional thermal stability, chemical resistance, and opacity. This material serves as a critical functional additive and raw material across advanced manufacturing sectors. It is essential for industries requiring durable, high-temperature materials and specialized surface properties, including advanced ceramics, precision investment casting, and high-performance coatings.

Application

• Refractory & Ceramic Opacifier: Primary opacifier in ceramic glazes, frits, and sanitaryware to provide whiteness and opacity.
• Investment Casting: Key component in zircon-based molding shells and cores for precision casting of superalloy turbine blades and aerospace components.
• Abrasive & Polishing: Used in grinding wheels, abrasive papers, and precision polishing compounds for metals and glass.
• Specialty Coatings: Imparts corrosion, wear, and thermal resistance in protective and functional coatings for industrial equipment.
• Electronics Ceramics: Used in substrates, capacitors, and other electronic components requiring dimensional stability and low thermal expansion.
• Pigment & Filler: Acts as an extender and functional filler in paints, plastics, and rubber to enhance durability and UV resistance.
• Glass Manufacturing: Employed in specialty glass formulations to increase chemical durability and refractive index.

Basic Information

Product Name	Zirconium Silicate
CAS No.	10101-52-7
Molecular Formula	ZrSiO₄
Molecular Weight	183.31 g/mol
Synonyms	Zircon; Zirconium(IV) Silicate; Zirconium Orthosilicate; Hyacinth; Jacinth; Zircon Flour; Zircon Sand; Zirconium Silicate (1:1)
EINECS	233-252-7

Quality Control

Our Zirconium Silicate is manufactured under a rigorous quality management system. Each batch is tested to ensure compliance with precise chemical and physical specifications, including particle size distribution, chemical purity, and phase composition. Certificates of Analysis (COA) documenting all critical parameters are available upon request to 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 sealed to prevent moisture absorption and contamination from foreign materials. Separate from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white fine powder
Assay (as ZrSiO₄)	≥ 98.0 %
Zirconium Oxide (ZrO₂) Content	≥ 64.0 %
Silicon Dioxide (SiO₂) Content	≥ 33.0 %
Iron (Fe)	≤ 0.10 %
Titanium (Ti)	≤ 0.20 %
Loss on Ignition (LOI)	≤ 0.5 %
Particle Size (D50)	1.0 - 10.0 µm (Customizable)

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