High Purity Alumina Grinding Ball for Ball Mill and Industrial Milling
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Product Attributes
- Customization
- Available
- Classification
- High-Alumina
- Feature
- Good Mechanical Strength, Good Thermal Insulation Performance, High-Temperature Resistant, Low Thermal Conductivity, Firction Materials
- Model NO.
- 20mm 30mm 40mm 50mm 60mm
- Refractoriness (℃)
- 1580< Refractoriness< 1770
- Shape
- Ball
- Type
- Industry Ceramic
- Material
- Alumina Ceramic
- Bulk Density
- 2.9-3.6
- Color
- White
- Transport Package
- Sea-Worthy Wooden Pallet
- Specification
- 20mm 30mm 40mm 50mm 60mm
- Trademark
- Jucos
- Origin
- China
- Production Capacity
- 1000 Ton/Tons Per Day
- Package Size
- 50.00cm * 35.00cm * 20.00cm
- Package Gross Weight
- 25.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description


High Purity Alumina Grinding Ceramic Balls are premium ceramic grinding media widely used in ball mills, stirred mills, and milling systems for fine grinding and dispersion.
Made from high-purity white alumina (Al2O3), these grinding balls feature high density, low wear loss, high hardness, and excellent chemical stability, making them ideal for applications where contamination control, grinding efficiency, and long service life are critical.
They are a reliable replacement for steel balls in many industries, reducing wear, energy consumption, and maintenance costs.
Features
High Alumina Purity (92% / 95% / 99%)
Ensures excellent wear resistance and grinding efficiency.
Low Wear & Low Breakage Rate
Significantly reduces media loss during long-term milling.
High Density & Hardness
Improves grinding efficiency and reduces milling time.
Excellent Chemical Stability
Acid and alkali resistant, no contamination to materials.
Smooth Surface & Uniform Size
Stable operation inside ball mills.
Long Service Life
Lower replacement frequency compared with steel grinding balls.
Applications
Milling Equipment
Ball mills
Vibratory mills
Attritors
Stirred mills
Industries
Cement & building materials
Mining & mineral processing
Ceramic raw material grinding
Pigment & coating industry
Electronic materials
Chemical & pharmaceutical industries

| Items | Content (Al2O3) |
Others | Hardness (Mohs) |
Bulk Density (g/cm3) |
Self Wear Rate (24h) |
Water Absorption |
| 92% Alumina Balls | ≥ 92% | <8% | ≥9 | >3.63 | <0.01% | <0.01% |
| 80% Alumina Balls | ≥ 80% | <20% | ≥8 | >3.30 | <0.02% | <0.02% |
| 68% Alumina Balls | ≥ 68% | <32% | ≥7 | >3.00 | <0.03% | <0.02% |









Q1: Which alumina purity should I choose?
92% for general grinding, 95% for higher wear resistance, 99% for high-end applications with strict contamination control.
Q2: Can I mix different sizes in one mill?
Yes, mixed sizes improve grinding efficiency.
Q3: Do you provide samples?
Yes, samples are available for testing.
Q4: Can you support OEM packing?
Yes, OEM labels and packing are supported.
About the Supplier
Company Profile
Zibo Jucos Co Ltd is a globally operating supplier of high-grade refractory products, systems and services, which are indispensable to industrial high-temperature processes exceeding 1000 º C. We combine global expertise and Chinese raw materials resources, aims to provide high quality refractory materials to serve the world's iron, steel, non-ferrous metals, cement, glass, incinerators, energy, petrochemical and other chemical industries.
We make full use of natural mineral resources rich in different regions and set up two branch factories in China. One is located in Zibo, the main products of alumina base refractory material including clay bricks, high alumina brick, insulation brick etc; The second one is in Yingkou, the main products including magnesia products, such as magnesia brick. Magnesite carbon brick. Magnesite chrome brick etc.
We have a wide range of products to meet the requirements of different industrial customers. The annual production capacity of refractories in all branch factories is up to 60, 000 tons, around 80% of all the products are exported to foreign markets. We are equipped with advanced production equipment and R & D facilities, undergo rigorous testing and testing at each stage of production, understand the exact needs of customers around the world, and design, deliver, manufacture and market high quality refractory products through our team.
With our unique technology experience and operating conditions, we have developed sophisticated and customized refractory products to provide our customers with high-quality products. We are willing to work with all customers at home and abroad for long-term mutually beneficial cooperation for the global industrial users to provide the most cost-effective and high-quality products, welcome friends from all walks of life here guidance.
About Our Factory & Business Background
- Address
- No. 1704 Xinhuan West Road, Zhangdian District, Zibo, Shandong, China
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF, DDP, DAP, CIP, CPT, FCA, EXW
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month - Nearest Port
- QINGDAO
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2002-02-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
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