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92% 95% 99% Ceramic Alumina Balls Grinding Mill Media Custom

Specifications

Brand Name :

Zhongli

Model Number :

AGB-01

Certification :

CE ISO

Place of Origin :

China

MOQ :

1kg

Payment Terms :

L/C,T/T,Western Union

Supply Ability :

40-200ton per month

Delivery Time :

within 15 days

Packaging Details :

plastic + barrel

Purity :

99.5%

Chemical Resistance :

Excellent

Shape :

Spherical

Density :

3.6-3.8 g/cm3

Material :

Alumina

Abrasion Resistance :

Excellent

Usage :

Wear-resistant and high temperature resistant materials

Application :

Grinding and milling

Thermal Expansion Coefficient :

Low

Diameter :

1mm-100mm

Color :

White

Thermal Conductivity :

Low

Hardness :

9 Mohs

Impact Resistance :

High

Description

Product Description

Discover the Power of 92% 95% 99% Alumina Grinding Balls: Custom Purity for Your Process

Name: 92 95 99 Ceramic Alumina Balls Grinding Mill Media Custom
Brand: Zhongli
Price: 1 USD

In the world of industrial processing, precision and efficiency are paramount. Whether you're involved in ceramics, paints, minerals processing, or any other industry requiring meticulous grinding, the choice of grinding media can significantly impact your operations. Today, we delve into the realm of alumina grinding balls, specifically focusing on the custom purity of 92%, 95%, and 99% alumina grinding balls designed to optimize your processes.

Understanding Alumina Grinding Balls

Alumina grinding balls are a type of ceramic grinding media made from aluminum oxide (Al2O3). These balls are renowned for their high density, hardness, and resistance to wear and corrosion. They are used predominantly in ball mills, vibration mills, and other grinding equipment to refine materials into finer particles. The purity levels of alumina balls—92%, 95%, and 99%—play a crucial role in determining their performance and suitability for specific applications.

Key Features of Alumina Grinding Balls

High Density and Hardness: Alumina balls are known for their impressive density and hardness, which enhance the grinding efficiency and durability of the media.
Wear and Corrosion Resistance: These balls exhibit remarkable resistance to wear and corrosion, making them ideal for prolonged use in harsh environments.
Chemical Inertness: Alumina grinding balls are chemically inert, ensuring they do not react with the materials being processed.
Energy Efficiency: Their ability to increase grinding efficiency by 40-60% helps in saving energy and reducing operational costs.
Eco-Friendly: Being non-toxic and environmentally friendly, alumina balls contribute to sustainable industrial practices.

Exploring Custom Purity Levels

92% Alumina Grinding Balls

The 92% alumina grinding balls are widely used for general industrial applications. They offer a balance between cost and performance, making them suitable for processes where extreme purity is not mandatory. These balls are commonly used in:

Ceramics: For grinding glaze and blank materials.
Minerals Processing: To refine mineral powders.
Refractory Materials: Used in cement and paint industries.

95% Alumina Grinding Balls

Offering higher purity, 95% alumina grinding balls are ideal for applications requiring a more precise grinding process. Their enhanced properties make them suitable for:

Advanced Ceramics: Used in the production of high-performance ceramics.
Electronic Materials: Essential in processing materials for electronics.
Pharmaceuticals: Ensuring contamination-free grinding of pharmaceutical ingredients.

99% Alumina Grinding Balls

The epitome of purity, 99% alumina grinding balls are designed for the most demanding applications. Their superior properties ensure maximum efficiency and minimal contamination, making them perfect for:

Lithium-Ion Battery Materials: Critical for the production of battery components.
Pigments and Dyes: Ensuring pure and consistent color production.
Bio-Technologies: Used in the processing of sensitive biological materials.

Why Choose Custom Purity Alumina Grinding Balls?

Choosing the right purity level of alumina grinding balls can dramatically impact the quality and efficiency of your process. Here’s why custom purity matters:

Optimized Performance: Tailoring the purity of alumina balls to your specific needs ensures optimal grinding performance.
Reduced Contamination: Higher purity levels mean lower risk of contamination, crucial for sensitive applications.
Cost-Effectiveness: Balancing purity with cost allows for efficient budgeting without compromising on quality.

●Chemical Composition:

Composition	Al₂O₃	SIO₂	CaO+MgO	Fe₂O₃
Wt%	≥92	7 max	≤2	＜0.1

●Typical Properties:

Specific Gravity

g/cm³

Bulk Density kg/L

Hardness

Moh’s

Water Absorption

Self wearing loss %(24hrs)

Compression

Mpa

≥3.65

≥2.2

＜0.01

≤0.012

≥2000

● Sizes Φ:

Size(mm)	Size(mm)	Size(mm)	Size(mm)
0.5-1.0	6.0	20.0	70.0
1.0	8.0	25.0	80.0
2.0	10.0	30.0	90.0
3.0	13.0	40.0	100.0
4.0	15.0	50.0
5.0	18.0	60.0

1. Mechanical & Physical Properties

Property	Alumina (92%)	Alumina (99%)	Zirconia	Steel	Silica Sand
Density (g/cm³)	3.6	3.9	6.0	7.8	2.2
Hardness (Mohs/HV)	9 (~1,500 HV)	9 (~1,800 HV)	8.5	6-7	7
Wear Rate (g/ton)	10–50	5–20	1–5	100+	300+
Compressive Strength	2,000 MPa	2,500 MPa	2,200 MPa	500 MPa	Low

Key Takeaways:

99% Alumina offers 30% lower wear than 92% grade.
2–5x longer lifespan vs. steel in abrasive slurries.
Harder than zirconia but less tough (ideal for fine grinding).

2. Chemical & Thermal Resistance

Property	Alumina (99%)	Performance Impact
Chemical Inertness	Resists pH 1–14	Safe for acids/alkalis, pharmaceuticals.
Max Temperature	1,600°C	Stable in kilns, calcination.
Thermal Shock	Moderate	Avoid rapid quenching (>200°C/min).
Contamination Risk	None	Zero metal ions (critical for Li-ion batteries).

Vs. Competitors:

Beats steel in corrosion resistance.
Outperforms silica sand in wear & consistency.

3. Grinding Efficiency

Particle Size Reduction: Achieves sub-micron fineness (D50 < 1µm) in wet/dry mills.
Speed: Higher density (vs. silica) improves kinetic energy transfer.
Consistency: Uniform shape/size prevents clogging in bead mills.

Best For:

High-purity materials (e.g., ceramics, electronics powders).
Slurry processing (paints, dyes).

4. Industry-Specific Performance

Industry	Benefit of Alumina Balls
Mining	50% lower replacement cost vs. steel in ore grinding.
Pharma	FDA-compliant, no endotoxin release.
Batteries	Prevents Fe/Ni contamination in cathode materials.
Paints	Maintains color purity (no metal leaching).

5. Cost vs. Lifetime Analysis

Media Type	Cost per kg	Lifespan (hours)	Cost per Ton Ground
Alumina (92%)	$5–10	2,000–3,000	$0.50–1.00
Steel	$2–4	500–800	$2.00–4.00
Zirconia	$50–100	5,000+	$0.20–0.50

Trade-Off:

Alumina balances cost and performance – Ideal when zirconia is over-spec.

Performance Summary: Why Choose Alumina?

✅ Cost-Effective: 3x cheaper than zirconia for moderate abrasion.
✅ High-Purity: 99.9% Al₂O₃ for sensitive applications (e.g., pharma).
✅ Versatile: Works in ball/attritor/planetary mills.
✅ Low Maintenance: Non-corrosive, easy to clean.

Limitations:

Not for high-impact milling (e.g., hammer mills).
Thermal shock risk in rapid cooling applications.

Need Custom Alumina Balls?

We supply:

Sizes: 1mm–50mm (±0.01mm tolerance).
Grades: 92%, 95%, 99%, ZTA-composite.
Certifications: ISO 9001, RoHS, FDA (for pharma).

●Package:

25KG/woven bag,1000KG-1250KG for one pallet with shrink wrapped