Shandong Xunda Chemical Group Co., Ltd. is a factory specializing in the production of ceramic-ball, which play an important role in the field of environmental protection. Our factory has advanced production equipment and technology, and can produce high quality, high performance spherical shaped ceramic-ball、open-pored ceramic balls、Inert Alumina ceramic balls.
Why Choose Us
Professional R&D team
Our factory has a professional R&D team and after-sales service team, responsible for the development, optimization and upgrading of catalysts.
Production Capacity
Our company has three most advanced producrion lines of catalyst,with an annual output of 9,500 tons of various catalysts to meet the needs of different users.
Global Sales
The products are exported to the Middle East, Southeast Asia, East Asia, North America and Europe, and are well received. In addition, the company has broken through the countries where it only exported products in the past and exported complete sets of image technology to the Middle East and the CIS and regions.
Patent Certification
In recent years, the company has developed more than 20 high-tech projects, among which 5 have been listed as Star Fire projects by the Ministry of Science and Technology, 2 have been listed as key torch plans by the country, and participated in formulating 15 national standards and 1 industry standard. There are 57 patent applications for national patents, and 3 have won national-level awards.
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![Activated Alumina Balls]()
Activated Alumina BallsXUNDA-XD active ceramic ball is another new reactor supporting packing developed by the institute of our company. We can customize the content, shape and specifications of the products according toread more -
![Ceramic Ball With Holes]()
Ceramic Ball With HolesXUNDA-XD Ceramic Ball With Holes is another new reactor supporting packing developed by the institute of our company. We can customize the content, shape and specifications of the products accordingread more -
![Inert Ceramic Ball]()
Inert Ceramic BallXUNDA-XD Inert Ceramic Ball is widely used as the packing for covering and supporting in various reactors and fractionators in petrochemical, coal chemical, fine chemical, natural gas plants. Thisread more
Types of Ceramic Ball
Activated Alumina Balls
Activated alumina balls can not only effectively improve the space utilization ratio of the reactors, but also they can protect the catalyst from being poisoned or being sintered to a certain degree, thus prolonging the service life of the catalyst.
Open-pored ceramic balls
Open-pored ceramic balls are new products developed by our company's research institute based on inert alumina ceramic balls. The holes are opened on the axis of the ball diameter, which makes the ceramic balls have certain mechanical strength, chemical stability and thermal stability.
Inert Alumina Ceramic Ball
Inert alumina ceramic ball is widely used in petroleum, chemical industry, chemical fertilizer, natural gas and environmental protection and other industries, as the catalyst in the reactor cover support material and tower filler.
Main Physi-Chemical Performance Indexes of Inert Alumina Ceramic Balls
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Exterior |
White clean balls, without cracks |
Remarks |
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Physical properties |
Contents of chemical components, % |
1. The total amount of Al2O3 and SiO2 is ≥92 2. The contents of Al2O3 and SiO2 may be adjusted according to the customer's requirements |
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Bulk density, g/cm3 |
2.3-2.8 |
Al2O3 |
30-85 |
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Heat conduction coefficient, Kcal/mh℃ |
≥0.7 |
SiO2 |
7-62 |
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Water adsorption, % |
≤1 |
Fe2O3 |
<1 |
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Heat resistance temp., ℃ |
1300-1700 |
CaO |
<1.5 |
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Specific heat, Cal/g℃ |
0.15-0.20 |
Na2O |
<1.5 |
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Quenching test, ℃ |
800-20 (No cracking for 3 times) |
MgO |
<1 |
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Acid resistance, % |
≥98 |
K2O |
<2.5 |
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Alkali resistance, % |
≥82 |
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Mohs hardness |
≥6.5 |
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Specifications and Strength of Inert Alumina Ceramic Balls
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Specification, mm |
φ3 |
φ6 |
φ9 |
φ12 |
φ16 |
φ19 |
φ25 |
φ30-50 |
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Diameter. error, mm |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
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Crushing strength, N/g |
>130 |
>440 |
>1050 |
>1120 |
>1200 |
>1300 |
>2600 |
>3000-5000 |
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Note: When Al2O3 >65%, its crushing strength is twice of the above-stated values accordingly. |
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Properties of Ceramic Balls
Hardness
Hardness is one of their most significant characteristics; ceramic balls are incredibly hard, often surpassing the hardness of steel.
01
Heat Resistance
Their heat resistance allows them to perform effectively in high-temperature environments that would typically degrade other materials.
02
Corrosion Resistance
Ceramic balls are also well-known for their corrosion resistance. This resistance to acids, alkalis, and salts makes them suitable for use in harsh and corrosive environments.
03
Low Density
Their low density further enhances their utility by reducing the overall weight of the machinery in which they are employed.
04
Electrical Insulation
Ceramic balls exhibit electrical insulation properties, making them indispensable for situations where electrical conductivity is undesirable, such as in electronic components.
05
Uses of Ceramic Balls
Reactor packing: Ceramic balls can also be used as packing for various reactors, optimizing fluid distribution and transfer, and improving reaction efficiency.
Comparison Between Ceramic Balls and Steel Balls
Ceramic Balls: Typically harder than steel balls, leading to better wear resistance and less deformation under load.
Steel Balls: Softer compared to ceramic balls, which can lead to quicker wear and shape deformation under high loads and speeds.
Ceramic balls: Much lighter than steel balls, reducing bearing loads and improving efficiency in applications requiring high speeds.
Steel balls: Heavier, causing increased wear and energy consumption in high-speed applications.
Ceramic Balls: Highly resistant to corrosion and chemical attacks, making them suitable for harsh environments such as acidic or alkaline conditions.
Steel Balls: Prone to corrosion unless specially treated or made from stainless steel, which can increase costs.
Ceramic Balls: Excellent stability in high-temperature environments, maintaining their strength and hardness.
Steel Balls: Tend to lose hardness and dimensional stability at high temperatures.
The production process of ceramic balls involves several stages, including raw material preparation, forming, sintering, and finishing.
First, high-purity raw materials such as silicon nitride powder or zirconia powder are mixed with additives to enhance the characteristics of the ceramic balls.
Then, these materials are formed into the desired shape using various techniques such as injection molding, slip casting, or pressing.
After forming, the ceramic balls are sintered in a furnace at high temperature to achieve its full density and strength.
Finally, the balls are finished by grinding, polishing, and coating to meet the required quality standards.
Ceramic Ball Use Requirements
Compatible Environments
Ensure that the balls are used in environments that are chemically compatible to avoid reactions that could affect their properties.
Appropriate Equipment
Use equipment that is designed for ceramic ball applications to ensure optimal performance.
Avoid Direct Impact
Minimize direct impact or contact with hard surfaces to prevent potential damage.
Avoid Extreme Forces
Avoid subjecting the balls to excessive forces, pressure, or impacts that could lead to breakage.
Gentle Handling
Avoid dropping or mishandling the balls, as excessive force can lead to chipping or cracking.
Storage Condition
Store the balls in a dry and cool environment, away from direct sunlight and extreme temperature fluctuations.
Regular Inspection
Periodically inspect the balls for signs of wear, damage, or contamination, and replace them if necessary.
Packaging and Delivery
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Packaging Details |
Jumbo bag or steel drum package |
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Port |
Shanghai,Ningbo,Shenzhen,Qingdao |
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Selling Units: |
Single item |
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Quantity (kilograms) |
>1000 |
Payment Methods
T/T、L/C、D/A.
Payment Terms
Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
Delivery Time
The exact time is according to actual situation ,such as final destination, and transport way, etc.
Customized Services
We can customize the content, shape and specifications of the products according to your needs, and ensure that the products are within the qualification standard.
MOQ
The minimum starting order is one ton.
Shipping method
We provide sea method.
Samples provided
We will provide free samples, you will only pay the express fee, we will start sample after received the express fee.
As one of the most professional ceramic ball manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy high-grade ceramic ball from our factory.
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