Home > Products > High-purity white zirconium silicate powder for ceramics - high-temperature resistant ceramic materials - heavy-duty anti-corrosion and glass powder
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Appearance
off-white powder milky white powder
purity
≥99.0% ≥99.5% ≥99.9%
Particle size D50
≤1.0μm ≤1.5μm ≤2.0μm
proportion
Approximately 4.6 g/cm³
Refractive index
1.93-2.01
Mohs hardness
7.5
Melting point
Approximately 2500℃
Components
ZrSiO4 content ≥90% ZrSiO4 content ≥ 95%
Packing Specifications
25 kg/woven bag 500 kg/ton bag Customized according to customer needs
Usage classification
Opacity agent for ceramic glaze Powder for glass enamel Refractory filler Plastic heat-resistant filler
Particle size distribution standard
Conforms to internationally accepted particle size distribution Meets different process customization needs
chemical stability
Acid and alkali resistance No chemical reaction at high temperature
Surface treatment
No treatment Ultrafine grinding Surface modification
Conditions of Transport
Moisture-proof and pressure-proof Bulk or packaged are both acceptable
Certification standards
Comply with international quality standards Relevant test reports can be provided.

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Product Introduction

Zhengzhou Rongsheng Kiln Refractory Materials Co., Ltd. has meticulously developed high-purity white zirconium silicate powder for ceramics. Utilizing advanced ultrafine grinding technology and surface modification treatment, the powder ensures uniform particle size and stable chemical properties. This product exhibits excellent high-temperature resistance, withstanding temperatures up to 2500℃, and possesses a stable refractive index of 1.93 to 2.01 and a Mohs hardness of 7.5, endowing ceramics with excellent wear and corrosion resistance. Due to its outstanding chemical stability, the powder is widely used in building ceramics, sanitary ceramics, and daily-use and luxury craft ceramics; it is also suitable for heavy-duty corrosion-resistant refractory materials and the glass industry, such as color picture tubes, emulsion glass, and enamel glazes. In plastic filler applications, it demonstrates good heat and chemical corrosion resistance. As a national high-tech enterprise, Rongsheng emphasizes product quality and service, holds multiple international certifications, ensures a stable and reliable supply, and is committed to providing high-performance ceramic material solutions to global customers.

Advantages and features

1. High-purity raw materials and advanced ultrafine grinding ensure powder fineness and uniformity.
2. Excellent high temperature resistance, with a melting point as high as 2500℃, suitable for extreme working conditions.
3. With a Mohs hardness of up to 7.5, it improves the wear resistance and service life of ceramics.
4. Excellent chemical stability, widely applicable to various ceramic and corrosion protection fields.
5. A stable refractive index ensures the material's visual appearance and performance stability.
6. The product has passed multiple international quality certifications, ensuring its quality.
7. Comprehensive after-sales service and continuous supply capabilities support customers' long-term development.

Application Scenario

Widely applicable to the manufacturing of architectural ceramics, sanitary ceramics, daily-use ceramics, and luxury craft ceramics; the heavy-duty corrosion-resistant refractory materials industry; the glass manufacturing industry, including color picture tubes, emulsion glass, and enamel glaze formulation; and the plastics industry as a functional filler with high heat resistance and chemical corrosion resistance. Suitable for ceramic manufacturers, refractory material suppliers, glass processing companies, and plastic product manufacturers, among other customers.

Product Parameters

Basic physical properties

Exterior color: off-white powder
Average particle size (D50): ≤1.0 - 2.0 micrometers
proportion: 4.6 - 4.7 g/cm³
Mohs hardness: 7.5
Melting point: Approximately 2500 ℃
Refractive index: 1.93 - 2.01
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Chemical composition and properties

Main Ingredients: Zirconium dioxide silicon (ZrSiO4)
purity: High purity, meeting standards of multiple countries
chemical stability: Excellent, resistant to acid and alkali corrosion, and does not react with fire.
Moisture content: ≤0.5%
oxide content: {"ZrO2":"Approx. 34.0 - 35.0%","SiO2":"Approx. 63.0 - 64.0%","Other oxides":"Small amounts of Fe2O3, TiO2, Al2O3"}

Application performance characteristics

The main purpose: Coloring and opacifying agents for architectural ceramics, sanitary ceramics, daily-use ceramics, and advanced craft ceramics.
High temperature resistance: Stable and suitable for high-temperature firing processes
Chemical resistance: Resistant to various acid and alkali environments
Enhanced ceramic glaze: Improve the bonding strength and hardness of the glaze.
Applicable industries: Ceramic manufacturing, glass and electrical appliances, refractory materials, plastic fillers

Packaging and storage

package style: Multi-layer composite paper bags or plastic woven bags
net weight: 25 kg/bag (or as per customer requirements)
Storage conditions: Avoid moisture and store in a cool, dry place in an airtight container.
Shelf life: Recommended for use within 12 months.

International trade related

HS Code: 28182900,28469090,28189900
Standards compliant: Complies with industry standards and import quality and environmental requirements of many countries.
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