Rongsheng High Purity Zirconium Silicate Powder for Ceramics, Refractories & Advanced Industrial Applications
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Product Highlights
- High Purity Zirconium Silicate: ZrO2 content 63.5-66%, ensuring high quality for ceramic and refractory applications.
- Excellent Chemical Stability: Non-toxic, odorless powder with high refractive index and stable performance at high temperatures.
- Wide Industrial Application: Suitable for sanitary porcelain, glass, refractories, and architectural ceramics to improve hardness.
- Customizable Packaging: Flexible packaging options available to meet specific customer requirements and logistics needs.
- OEM Service Available: We accept OEM orders, providing personalized solutions based on customer designs or samples.
- Strict Quality Control: Products undergo strict inspection before shipment, backed by ISO9001 certification and test reports.
- Professional Manufacturer: Established in 2011 with advanced equipment, professional team, and exports to over 120 countries.
- Competitive Pricing: High-quality opacifier offered at low price, providing cost-effective solutions for industrial use.
Product Attributes
- Customization
- Available
- CAS No.
- 10101-52-7
- Formula
- Zrsio4
- Model NO.
- Zirconium Silicate/Zircon Flour
- EINECS
- 233-252-7
- Certification
- CCIC, CIQ, RoHS, ISO
- Purity
- 50%~80%
- Type
- Zirconium Silicate
- Appearance
- Powder
- Grade Standard
- Industrial Grade
- Product Name
- High Purity Zirconium Silicate
- Application
- Ceramic, Paiting, Glass, Refractory E
- Brand Name
- Rongsheng
- Specific Gravity
- 4.69
- Melting Point
- 2500°C
- Color
- White Zircon Flour
- Mohs Hardness
- 7.5
- Keywords
- Zirconium Silicate Powder
- Feature
- High Purity, Excellent Chemical Stability
- Shape
- Powder
- Package
- Customizable
- Certificate
- ISO9001,CE
- Transport Package
- Bag
- Specification
- 25kg/bag, 50kg/bag
- Trademark
- RSNC
- Origin
- China
- HS Code
- 2839900001
- Production Capacity
- 10000t/Year
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Product Description
Rongsheng High Purity Zirconium Silicate Powder for Ceramics, Refractories & Advanced Industrial Applications
Zirconium silicate is a non-toxic, odorless white or off-white powder. The raw material is natural high-purity zircon sand concentrate, which is then processed through superfine grinding, iron removal, titanium processing, and surface modification treatment.Zirconium silicate has a high refractive index of 1.93-2.01 and stable chemical performance. It is a high quality and low price opacifier for opacification.
Specifications of Zirconium Silicate
Chemical Analysis Percentage Parameter Result
ZrO2 66±2% Mesh (+200)
SiO2 33±1% Density 1 %max
TiO2 0.12%max Moisture 0.50 %
Fe2O3 0.1% max After Burn White
CaO Trace Lightness (L) 88.86 %
Feature of Zirconium Silicate
zirconium silicate has high refractive index, good chemical stability and high temperature resistance.
1.Zirconium Silicate Physical properties
|
Specific Gravity
|
4.69
|
|
Melting Point
|
2500°C
|
|
Refractive Index
|
1.97
|
|
Mohs Hardness
|
7.5
|
|
Thermal Expansion Coefficient
|
4.2*10-6
|
|
Apprearance
|
White or off white powder
|
|
Item
|
RS65
|
RS64.5
|
RS63.5
|
|
ZrO2+HfO2
|
65.0 min
|
64.5 min
|
63.5 min
|
|
Fe2O2
|
0. 06 max
|
0. 08 max
|
0. 12 max
|
|
Ti02
|
0.10 max
|
0.12 max
|
0.18 max
|
3.Zirconium Silicate Product standard
|
Type
|
Average mesh
|
Application
|
|
RS-1.0
|
D50≤1.0um
|
High-grade sanitary porcelain High-grade daily-use porcelain High-grade crystal brick |
|
RS-1.2
|
D50≤1.2um
|
|
|
RS-1.5
|
D50≤1.5um
|
Middle and low class sanitation porcelain,external and internal brick, archaized brick, engobe, body, etc.
|
|
RS-2.0
|
D50≤2.0um
|

Application of Zirconium Silicate
Zirconium silicate is widely used in the production of various architectural ceramics, sanitary ceramics, daily-use ceramics and first-class craft ceramics because of its good chemical stability. It can significantly improve the bonding performance of ceramic glazes and improve the hardness of ceramic glazes. . Zirconium silicate is further used in the production of color picture tubes, emulsified glass and enamel glaze in the glass industry. Zirconium silicate has a high melting point: 2500 degrees Celsius, so it is also widely used in refractory materials, glass furnace zirconium ramming materials, castables, and spray coatings.
Every possible precaution is taken to ensure our products in prime condition when reach customers around the world.
This is ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED. we have focused on the development and innovation of refractory materials and Zirconium Silicate, and strive to provide customers with comprehensive, personalized and cost-effective services with high-quality products. Our products are exported to more than 120 countries and regions in the world such as Europe, America, Oceania, Southeast Asia, and the Middle East,and the products are well received by customers.
To provide customers with satisfactory products and services is our constant pursuit. We have advanced production and testing equipment. We also have a professional production and management team, and a perfect service system to ensure that we provide customers with the best quality products and best services. Our business philosophy is integrity first, quality first, win-win cooperation, innovation and development.

Q1. Are you Manufacturer?
A: Yes, of course, our factory is in Xinmi,zhengzhou city,Henan province.
Q2. Can we visit your company?
A: Sure,welcome at any time,seeing is believing.
Q3. Do you accept OEM?
A: Yes, we can do OEM.
Q4. What's the MOQ of trial order?
A: No limit,We can offer the best suggestions and solutions according to your condition.
Q5. What are the payment terms?
A: Usually T/T,but L/C,Western Union etc are available for us.
Q6. How long is delivery time?
A: The delivery time will be determined according to the quantity of the order.
Q7. How are your products' quality?
A: The products will be strictly inspected before shipment, so the quality could be guaranteed.
Q8.How about your company's certification?
A: ISO9001 and Test Report,also we could apply other necessary certification.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2591342". Items marked "" are certified.
Company Profile
Rongsheng Refractory specialize in refractory products for nearly 30 years, covering a full range of High Alumina Bricks, Sillica Bricks, Fused AZS 33/36/41 Bricks, Mullite JM 23/26/28/30 Bricks, Magnesia Bricks, Magnesia Chrome Bricks, Magnesia Carbon Bricks, SiC Bricks, Dense and Light Weight Insulaing Castables, Graphite Electrode and other related products for more sophisticated applications.
Our products are widely used in metallurgy, nonferrous metals, building materials, electric power, petrochemical and other industries. The company has an automatic production line with an annual output of 80, 000 tons of intelligent unshaped refractory products. Its products are sold in more than 120 countries around the world and have won wide acclaim from customers.
Rongsheng Refractory pays attention to technological innovation and product research and development, and has established close cooperative relations with many universities and scientific research institutes. It has successively established technical research and development centers and product testing laboratories, and has advanced refractory physical and chemical testing equipment. The company has also passed the quality management system, environmental management system, occupational health and safety management system certification, high-tech enterprise certification, etc.
We have focused on the development and innovation of refractory materials and high-temperature furnace technology, and strive to provide customers with comprehensive, personalized and cost-effective services with high-quality products. Our products are widely used in electric power, metallurgy, petrochemical and other fields, and are exported to more than 120 countries and regions in the world such as Europe, America, Oceania, Southeast Asia, and the Middle East.
We can provide you with the most advantageous quotations and products. Looking forward to be your partner!
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 10th/11th Floor, Building 6, China Central Electronic Commerce Port, Daxue Road, Erqi Dist, Zhengzhou, Henan, China
-
Plant Area
- 8004 square meters
-
Number of Employees
- 133
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 1 ton
-
Supply Chain Partners
- 30
Our Production Capability & Technical Expertise
-
Main Products
- Refractory Brick, Refractory Castable, Graphite Electrode, Refractory Cement, Ramming Mass, High Alumina Bricks, Magnesia Bricks, Corundum Bricks, Mullite Bricks, Insulation Bricks
-
Production Lines
- 2
-
Production Machines
- Crushing Machine, Packing Machine, Storage Bin, Mixing Machine
-
QA/QC inspectors
- 5 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2011-03-23
-
Export Year
- 14 years
-
Main Markets
- South America, Europe, Southeast Asia/ Mideast, Africa, Middle Asia
-
Repeat Buyers Choice
- 30%~50%
-
Number of Foreign Trading Staff
- 32
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001
-
Product Certification
- CE
-
Cooperated with Fortune 500
- No
FAQ
- Are you a manufacturer?
- Yes, our factory is located in Xinmi, Zhengzhou City, Henan Province.
- Do you accept OEM orders?
- Yes, we can do OEM services based on customer requirements.
- What is the MOQ for a trial order?
- There is no limit on the MOQ for trial orders; we offer suggestions based on your condition.
- What are the payment terms?
- Usually T/T, but L/C, Western Union, and other methods are also available.
- How long is the delivery time?
- Delivery time depends on the order quantity; peak season lead time is one month, off-season is within 15 workdays.
- How do you ensure product quality?
- Products are strictly inspected before shipment, and we hold ISO9001 certification and test reports.
- Can we visit your company?
- Sure, you are welcome to visit at any time; seeing is believing.
- What certifications do you have?
- We have ISO9001 and Test Reports, and can apply for other necessary certifications if required.
Send your message to this supplier
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