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Al₂O₃ Ceramic Alumina Grinding Balls Zero Contamination for Pharma & Food

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Al₂O₃ Ceramic Alumina Grinding Balls Zero Contamination for Pharma & Food

Name: AlO Ceramic Alumina Grinding Balls Zero Contamination for Pharma amp Food
Brand: Zhongli
Price: 1 USD

Quality Al₂O₃ Ceramic Alumina Grinding Balls Zero Contamination for Pharma & Food for sale

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

Flammability : Highly flammable

Solubility : Insoluble in water

Form : Powder

Melting Point : 660.3°C

Storage Conditions : Store in a cool, dry, well-ventilated area away from sources of heat and ignition

Purity : 99.9%

Chemical : Al ≥ 98.9%

Odor : Odorless

Density : 2.7 g/cm3

Application : Additive for metal alloys, rocket fuel, fireworks, paints, and coatings

Standard : GB/T 2085-2007

Boiling Point : 2467°C

Material : Aluminum

Manufacturer : Shanghai Jordon

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Product Description

Inert Al₂O₃ Ceramic Balls: Zero Contamination for Pharma & Food Industries

In the ever-evolving world of pharmaceuticals and food processing, maintaining the highest standards of purity and safety is paramount. One of the critical components in achieving these standards is the use of inert Al₂O₃ ceramic balls, known for their ability to ensure zero contamination.

Understanding Inert Al₂O₃ Ceramic Balls

Inert Al₂O₃ ceramic balls are high-purity alumina oxide balls designed to offer excellent chemical stability, high strength, and thermal resistance. These attributes make them ideal for various applications, especially in industries where contamination must be avoided at all costs. The ceramic balls are composed primarily of aluminum oxide (Al₂O₃), with a purity level exceeding 99%, ensuring minimal interaction with other substances.

Key Features and Benefits

High Purity: With over 99% Al₂O₃ content, these ceramic balls provide unmatched purity, crucial for pharmaceutical and food applications.
Chemical Stability: Resistant to acids, alkalis, and organic solvents, ensuring no contamination occurs during processing.
Thermal Resistance: Capable of withstanding high temperatures, making them suitable for various industrial applications.
Mechanical Strength: High crush strength and durability ensure long-lasting performance in demanding environments.

Applications in Pharma and Food Industries

Pharmaceutical Industry

In the pharmaceutical industry, inert Al₂O₃ ceramic balls are used as catalyst support media in reactors and towers. Their ability to resist chemical erosion and maintain stability under high temperatures makes them indispensable in processes where purity and reliability are critical. These ceramic balls help prevent contamination and ensure that the active catalysts remain effective throughout the production process.

Food Processing Industry

The food industry demands rigorous standards to prevent contamination and ensure safety. Inert Al₂O₃ ceramic balls are utilized in various processing equipment to maintain purity and enhance efficiency. Their non-reactive nature ensures that no unwanted substances leach into food products, safeguarding consumer health and enhancing product 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