Description
| Catalogue No. | Capacity ml | Height x OD mm |
| 11203/1 | 12 | 16×110 |
| 11203/2 | 30 | 24×110 |
| 11203/3 | 40 | 28×110 |
| 11203/4 | 50 | 30×110 |
| 11203/5 | 100 | 45×110 |
| 11203/6 | 200 | 55×116 |
The MEDILAB Centrifuge Tube, Round Bottom, Graduated is a precision-engineered laboratory vessel designed for centrifugation, sample preparation, sedimentation, and analytical procedures. Made from high-strength Borosilicate Glass 3.3, it ensures superior thermal and chemical resistance. Its clear, accurate graduations support reliable volume measurement, making it essential for routine laboratory workflows in research, pharma, biotech, and quality-control environments.
Key Features
- Round-bottom design for improved centrifugal performance and uniform sedimentation.
- Clear, permanent graduations for precise sample measurement and quick visual assessment.
- High chemical durability, ideal for acids, alkalis, organic solvents, and biological reagents.
- Thermal shock resistance, suitable for repeated heating, cooling, and autoclaving.
- Smooth inner surface reduces sample retention and ensures easy cleaning.
- Leak-resistant compatibility with appropriate rubber or screw-cap closures (optional).
- Manufactured to international standards for consistent quality and performance.
- Reusable and eco-friendly, offering a long service life with proper handling.
Material Specifications
Material: Borosilicate Glass 3.3
Thermal Properties:
- Low thermal expansion coefficient (3.3 × 10⁻⁶/K)
- Withstands high-temperature applications and rapid temperature changes
Chemical Properties:
- Resistant to most chemicals, acids, and solvents
- Non-reactive for sensitive analytical work
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Mechanical Strength:
- High mechanical stability for centrifugal forces
- Rugged construction for frequent laboratory use
Standards Compliance:
- Manufactured in accordance with ISO, DIN, and ASTM laboratory glassware norms
Technical Specifications
- Available Capacities: 5 ml, 10 ml, 15 ml, 25 ml, 50 ml, 100 ml (as per the standard size table)
- Design: Round-bottom, straight-wall tube with clear metric graduations
- Tolerance: Standard laboratory accuracy ±5% (or as per specific model)
- Autoclavable: Up to 121°C
- Dimensions: As per MEDILAB technical datasheet (custom sizes available for OEM orders)
Packaging:
- Individually shrink-packed or bulk-packed
- Export-safe corrugated cartons with protective separators
Handling & Precautions
- Always ensure the tube is balanced properly in the centrifuge before operation.
- Avoid sudden temperature changes to maintain glass integrity.
- Do not expose to mechanical shock or drop on hard surfaces.
- Clean using mild laboratory detergents and a soft brush—avoid abrasive cleaners.
- Suitable for autoclaving at 121°C; allow proper drying before storage.
- Do not overfill beyond the maximum graduation mark.
- Inspect regularly for cracks or wear to ensure safe usage.
Applications
- Centrifugation of biological, chemical, and clinical samples
- Sample preparation and separation in research laboratories
- Routine use in pharmaceutical, biotechnology, chemical, and petrochemical industries
- QC/QA testing, analytical procedures, and academic laboratory experiments
- Suitable for sedimentation studies, reagent storage, and solution handling
- Reliable for microbiology, hematology, molecular biology, and general scientific workflows
Why Choose MEDILAB
- 35+ years of expertise in scientific glassware manufacturing
- Trusted by customers in 40+ countries
- Precision-crafted, export-quality Borosilicate Glass 3.3 products
- OEM and private labeling options available
- Consistent quality, dimensional accuracy, and reliable performance
- Robust, global-standard packaging and supply capability
- Commitment to innovation, transparency, and customer satisfaction
