German-Style Funnel
In gravity filtration processes, the geometry of the funnel directly influences filtration efficiency. The German-style funnel is designed with a 60° cone angle, providing an optimal fit for filter paper and promoting faster, more uniform filtration.
It is an essential piece of equipment for any laboratory that needs to separate solids and liquids with precision and safety.
What Is a German-Style Funnel Used For?
This type of funnel is commonly used in analytical and preparative filtration processes, as well as for the controlled transfer of liquids into narrow-necked containers.
- Filtration of solid-liquid mixtures
- Stable support for filter paper
- Improved flow during gravity filtration
- Safe transfer of liquids
Its design allows uniform contact between the filter paper and the funnel wall, optimizing filtration performance.
60° Technical Design for Maximum Efficiency
The main characteristic of German-style funnels is their specific 60° cone angle, engineered to improve liquid flow behavior during filtration.
- Perfect fit for filter paper
- Reduced air pockets
- More consistent and uniform flow
- Increased efficiency in analytical work
Thanks to this geometry, filtration is cleaner and faster compared to other funnel designs.
Manufactured from Borosilicate Glass 3.3
According to the technical specifications, these funnels are manufactured from Borosilicate Glass 3.3, feature a short stem for general-purpose use, and comply with ISO 4798 standards.
Borosilicate glass provides excellent thermal and chemical resistance, allowing work with hot solutions and aggressive reagents without compromising the durability of the material.
Wide Range of Available Sizes
These funnels are available in multiple diameters to accommodate different working volumes and laboratory applications.
- Diameters ranging from Ø 40 mm to Ø 300 mm
- Various stem lengths depending on the model
- Outlet sizes adapted to different receiving vessels
This variety makes it easy to select the most suitable funnel according to the filtration process and destination container.
Laboratory Applications
The German-style funnel is commonly used in chemical, educational, and quality control laboratories, particularly in processes requiring solid-liquid separation by gravity filtration.
- Analytical and preparative filtration
- Controlled liquid transfer
- Laboratory separation processes
- General use in technical laboratory glassware
Its versatility makes it a fundamental component of laboratory equipment.
Maintenance and Safety
To ensure safe operation and maximize product lifespan, it is recommended to clean the funnel after each use—especially the stem—avoid impacts or mechanical shocks, and inspect for cracks before working at elevated temperatures.
- Regular cleaning of the stem and internal surface
- Avoid sudden temperature changes
- Store in suitable supports or racks
Proper maintenance ensures reliable results and helps keep the equipment in optimal condition.
Precision in Every Filtration
The German-style funnel is an indispensable tool for efficient filtration processes, providing speed, safety, and high-quality results.
At Pobel, we help you choose the most suitable filtration equipment according to your technique and working conditions.
Quick delivery
High quality
Safe payment