Polypropylene Analytical Funnels for Laboratory Filtration and Liquid Transfer These heavy-duty polypropylene analytical funnels deliver reliable performance for analytical chemistry, gravimetric analysis, and routine laboratory liquid transfer. Engineered from chemical-resistant virgin polypropylene (PP), each analytical lab funnel features a long, narrow stem designed specifically for controlled liquid flow into volumetric flasks, test tubes, and narrow-mouth containers. Internal and external ribbing prevents air lock formation, ensuring uninterrupted filtration and faster throughput in busy research and QC laboratories. Key Features of PP Analytical Laboratory Funnels Every polypropylene analytical funnel in this series is precision-molded at a 60-degree cone angle for rapid, consistent filtration. The narrow-stem design accommodates standard filter paper sizes, making these funnels an essential tool for gravity filtration, sample preparation, and solvent transfer. All sizes are autoclavable at 121°C (250°F) for 20 minutes and approved for use with food products, meeting the requirements of pharmaceutical, food science, and environmental testing laboratories. Specifications by Size Funnel Size Capacity Stem Length Stem OD 25mm 3.5mL 37mm 4mm 35mm 10mL 37mm 5mm 50mm 20mL 43mm 5mm 65mm 50mL 62mm 10mm 80mm 100mL 70mm 11mm 100mm 200mL 82mm 11mm 120mm 350mL 86mm 11mm 150mm 700mL 115mm 14mm 180mm 1250mL 140mm 14mm Material and Construction Translucent virgin polypropylene provides excellent visibility of liquid flow while resisting acids, bases, and most organic solvents. The seamless one-piece molded construction eliminates crevices where contaminants could accumulate, simplifying cleaning between uses. These funnels withstand repeated autoclaving without warping, discoloration, or dimensional change. Laboratory Applications Polypropylene analytical funnels are widely used in research universities, clinical laboratories, pharmaceutical QC departments, and environmental testing facilities. Common applications include gravity filtration with filter paper, quantitative transfer of solutions into volumetric flasks, and decanting supernatant in sample preparation workflows. The narrow-stem profile fits standard laboratory glassware including Erlenmeyer flasks, round-bottom flasks, and graduated cylinders. Why Choose LabSupplies.com for Analytical Funnels LabSupplies.com offers Globe Scientific analytical funnels with fast shipping from USA inventory. As an authorized Globe Scientific dealer, we serve research institutions, university purchasing departments, and clinical laboratories. Select your preferred size and pack quantity from the options above.
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