High Purity Alumina Grinding Ball for Ball Mill and Industrial Milling
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| Customization: | Available |
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| Classification: | High-Alumina |
| Feature: | Good Mechanical Strength, Good Thermal Insulation Performance, High-Temperature Resistant, Low Thermal Conductivity, Firction Materials |
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Basic Info.
- 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
Packaging & Delivery
- Package Size
- 50.00cm * 35.00cm * 20.00cm
- Package Gross Weight
- 25.000kg
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.
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