Description
| High Alumina Balls/Beads | |
| Catalog Number | Diameter (mm) |
| 19512/01 | 1-3 |
| 19512/02 | 8-10 |
| 19512/03 | 10-15 |
| 19512/04 | 15-20 |
| 19512/05 | 20-25 |
MEDILAB High Alumina Balls/Beads are precision-engineered spherical media designed for grinding, milling, mixing, and dispersion processes in laboratories and industrial environments. Made from high-purity alumina, they provide exceptional hardness, chemical stability, and thermal resistance. These beads are essential for achieving uniform particle size reduction, efficient mixing, and high-performance milling in research laboratories, QC/QA units, pharmaceutical production, and chemical processing.
Key Features
- High-purity Alumina construction for superior hardness and durability
- Excellent chemical resistance to acids, alkalis, and most solvents
- High wear resistance ensures long service life and consistent performance
- Precise, round shape for uniform grinding efficiency and smooth flow behavior
- High thermal stability suitable for high-temperature processes
- Non-porous, unglazed surface minimizes contamination and improves cleanliness
- Suitable for both wet and dry milling applications
- Compatible with planetary mills, jar mills, and industrial ball mills
Material Specifications
- Material: High Alumina (≥ 99.5% Al₂O₃)
- Hardness: ~9 on the Mohs scale
- Density: High density for increased impact force and grinding efficiency
- Thermal Resistance: Stable at elevated temperatures; suitable for high-heat applications
- Chemical Resistance: Inert to most chemical reagents
- Standards Compliance: Manufactured in accordance with international quality benchmarks (ISO-certified production)
Technical Specifications
- Sizes Available: Multiple diameters (standard laboratory and industrial sizes)
- Shape: Spherical, unglazed, precision-finished
- Tolerance: Uniform dimensions for consistent milling results
- Packaging: Secure, export-grade packaging suitable for global shipment; available in sealed containers or customized bulk packaging
- Accessories (optional): Milling jars, ceramic liners, grinding media trays
Handling & Precautions
- Handle with clean, dry hands or tools to prevent contamination
- Clean using mild detergents or ultrasonic cleaning; rinse thoroughly
- Autoclavable as per alumina thermal limits; avoid rapid thermal shock
- Do not expose to sudden temperature changes to maintain structural integrity
- Store in a dry, dust-free environment for long-term performance
- Inspect periodically for wear in intensive grinding applications
Applications
MEDILAB High Alumina Balls/Beads are widely used in:
- Pharmaceutical laboratories: Milling APIs, excipients, formulation development
- Chemical & petrochemical industries: Catalyst support, dispersion, homogenization
- Biotechnology labs: Cell disruption and sample preparation
- Universities & research institutes: Material science research, particle size studies
- QC/QA laboratories: Standardized milling for analytical reproducibility
- Ceramics, pigments, and coatings industries: Efficient grinding and blending operations
Their reliability and stability make them indispensable in day-to-day laboratory workflows, pilot production, and analytical processes.
Why Choose MEDILAB
- Over 35 years of proven expertise in scientific and laboratory equipment manufacturing
- Trusted in 40+ countries with a strong global distribution network
- Export-quality production with stringent QC at every stage
- OEM and private labeling support for distributors and large buyers
- Consistent, reliable performance backed by international quality standards
- Robust packaging ensures safe transport to any destination worldwide





