Glass Grade Zirconium Silicate Powder
Product Description
- Glass Grade Zirconium Silicate Powder is a high-purity zirconium silicate powder specially developed for the glass industry, mainly used for opacification modification and performance improvement of opal glass, glassware, glass mosaics and special glass. With 24 years of deep engagement in zirconium material processing, we are deeply familiar with the high-temperature process characteristics of glass melting. In response to the strict requirements of the glass industry for raw material purity and particle size uniformity, we have specially optimized the production process of Glass Grade Zirconium Silicate Powder. All products are made of high-purity zircon sand produced by Australian ILUKA mine with strategic cooperation with us. Through multi-stage fine grinding, strong magnetic iron removal and precise classification processes, the content of coloring impurities such as iron and titanium is controlled at an extremely low level, effectively avoiding color development and color spot defects during glass melting, and ensuring the balance of whiteness and transparency of glass products. Many large domestic daily-use glass and architectural glass enterprises list us as their core raw material supplier, and the product stability has been verified by the market for a long time.
- With a high refractive index of 1.97, Glass Grade Zirconium Silicate Powder can exert high-efficiency opacifying and whitening effects in glass melt. A small amount of addition can endow glass with uniform opal texture and excellent hiding power, and is the core raw material for producing opal glassware, frosted glass and glass mosaics. At the same time, it has stable chemical properties, does not react adversely with silicon, alkali and other components in high-temperature glass melt above 1500℃, and can slightly improve the chemical stability and thermal shock resistance of glass, extending the service life of glass products. In addition to being used as glass raw material, Glass Grade Zirconium Silicate Powder can also be used as a modifying additive for zirconium refractory materials in glass furnaces to optimize the high-temperature erosion resistance of refractory materials. At present, our monthly production capacity is stable at 6,000 tons, with one-month safety stock for conventional specifications. Bulk orders can be quickly scheduled for production, fully guaranteeing the raw material supply for continuous production of glass enterprises.

Specifications
|
Parameter |
Index |
|
ZrO₂ Content |
≥65% |
|
Fe₂O₃ Content |
≤0.08% |
|
Median Particle Size D50 |
1.5-3.0μm (customizable) |
|
Whiteness |
≥88% |
Applications
Daily-use glass industry:
opal glass tableware, glassware, glass tea sets
01
Architectural decorative glass:
glass mosaics, frosted glass, decorative glass panels
02
Glass fiber industry:
modifying additive for high-performance glass fibers
03
Special glass:
performance enhancement of high-temperature resistant glass and borosilicate glass
04
Refractory materials:
raw material for zirconium refractory bricks and fused cast bricks for glass furnaces
05
Quality Control
In response to the glass industry's sensitivity to raw material impurities, we have established an exclusive quality control process for Glass Grade Zirconium Silicate Powder. At the raw material incoming stage, full-element detection is carried out by spectrometer to strictly select high-quality zircon sand with low iron and low titanium. Three strong magnetic iron removal processes are set during production, and iron content is sampled and tested after each process to ensure that impurities continue to meet the standards. In the finished product stage, in addition to conventional particle size, whiteness and chemical composition testing, a melting color development test is added to simulate the glass melting environment to verify the color development performance of the product. Our two high-standard laboratories are equipped with 6 particle size analyzers, 1 spectrometer and multiple whiteness testers. All test data are traceable, and 100% full inspection is conducted before finished products leave the factory. We also support customers to entrust third-party institutions for special testing, ensuring that each batch of products meets the quality requirements of the glass industry with data.
Packaging & Logistics
Glass Grade Zirconium Silicate Powder adopts a double-layer moisture-proof packaging design, with a PE moisture-proof film on the inner layer and a thickened woven bag on the outer layer, with a net weight of 40kg per bag, effectively isolating moisture and pollution during transportation. In view of the characteristics of bulk purchase in the glass industry, we can also provide 1-ton ton bag options, which greatly improve loading, unloading and feeding efficiency and reduce labor costs for customers. Export orders can be equipped with fumigated wooden pallets as needed, complying with the customs quarantine standards of various countries. We support two mainstream trade terms: EXW factory delivery and FOB port delivery. Domestic orders can be matched with various transportation methods such as full vehicle and less-than-truckload. For international orders, we can handle the full set of export services such as booking, customs declaration and document production. The logistics team has more than ten years of experience in mineral product transportation, and will plan the optimal transportation scheme according to the order volume and destination to ensure safe and on-time delivery of goods to the customer's designated location.
Qualification & Certification
Our production operation and product quality are endorsed by authoritative system certifications. The factory fully implements ISO9001 Quality Management System and ISO14001 Environmental Management System standards. The entire production process of Glass Grade Zirconium Silicate Powder is completed under system control, with full guarantee of compliance and stability. The product meets domestic glass industry raw material standards, does not contain harmful components such as heavy metals, and can meet the production needs of food contact glass products. We can provide chemical composition, environmental safety and physical performance test reports from third-party authoritative institutions such as SGS and BV according to customer needs, providing support for customers' product export and quality control. We strictly abide by national environmental protection regulations, and the production process achieves low energy consumption and low emission. We are a green and compliant zirconium material manufacturer. Choosing our products means no need to worry about supply chain compliance risks.
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