Description
| Catalog No. | Capacity ml | Disc Dia. mm |
| 11016/1 | 35 | 30 |
| 11016/2 | 80 | 40 |
| 11016/3 | 100 | 50 |
| 11016/4 | 200 | 65 |
| 11016/5 | 500 | 90 |
| 11016/6 | 1000 | 120 |
The MEDILAB Buchner Funnel is a precision-engineered laboratory filtration tool designed for rapid separation of solids and liquids using vacuum-assisted filtration. Manufactured from high-clarity Borosilicate Glass 3.3, it ensures superior chemical resistance and thermal stability during routine and heavy-duty applications. This funnel is essential in chemical analysis, sample purification, crystallization processes, and quality control operations, delivering consistent performance and reliable filtration results.
Key Features
- High-performance vacuum filtration design for efficient solid–liquid separation.
- Made from Borosilicate Glass 3.3, offering exceptional thermal shock resistance.
- Heavy-wall construction for long-term durability and stability under vacuum.
- Uniform perforated plate ensures a smooth flow rate and consistent filtration efficiency.
- Excellent chemical compatibility suitable for acids, bases, solvents, and organic reagents.
- Reusable and easy to clean, making it ideal for frequent laboratory operations.
- Clear glass visibility allows real-time observation during filtration.
- Available in multiple sizes, meeting diverse laboratory and industrial filtration needs.
Material Specifications
- Material: Borosilicate Glass 3.3
- Properties: High resistance to thermal shock (low coefficient of expansion 3.3 × 10⁻⁶/K). Exceptional chemical durability, resistant to most acids, alkalis & solvents. Smooth, non-porous surface prevents contamination and ensures easy cleaning. Mechanically strong and stable for vacuum filtration setups
- Standards: Compatible with standard laboratory vacuum filtration assemblies
Technical Specifications
- Available Sizes: As per the standard size table
- Design & Dimensions: Cylindrical body with perforated plate. Thick wall design suitable for vacuum filtration. Precision-formed rim for secure sealing with filter paper
- Tolerance/Accuracy: Dimensional accuracy as per international laboratory glassware standards
- Accessories (Optional): Filter papers in corresponding diameters Vacuum adapters and rubber cones Filtration flask / Buchner flask
Handling & Precautions
- Always inspect the funnel for cracks or scratches before applying the vacuum.
- Use compatible filter paper sizes to ensure proper sealing and filtration efficiency.
- Do not subject the funnel to sudden temperature changes; allow gradual heating and cooling.
- Suitable for autoclaving at 121°C; avoid overheating beyond recommended limits.
- Clean using mild laboratory detergents; avoid abrasive scrubbers.
- Ensure proper support when connected to a vacuum line to prevent tipping or breakage.
- Do not use with highly alkaline solutions at temperatures above 80°C.
Applications
The MEDILAB Buchner Funnel is widely used across scientific and industrial sectors for:
- Vacuum filtration of precipitates, crystals, reaction mixtures, and suspensions
- Sample preparation in chemical labs, universities, R&D centers, and analytical labs
- Pharmaceutical QC/QA workflows for purification and separation processes
- Biotechnology & microbiology applications for media filtration
- Environmental testing for residue analysis and particulate separation
- Routine filtration in food, beverage, and material testing laboratories
It plays a crucial role in maintaining accuracy, clarity, and reproducibility of analytical results in daily lab operations.






