Screw Cap Erlenmeyer Flasks
Manufacturer: United Scientific
The Screw Cap Erlenmeyer Flasks from United Scientific combine the classic functionality of a conical flask with the added security of a threaded closure. Manufactured from premium borosilicate glass, these flasks are engineered for exceptional resistance to thermal shock and chemical corrosion, making them ideal for culture media preparation, reagent storage, and volatile liquid handling. The integrated screw cap provides a leakproof seal that protects your samples from evaporation and external contamination. Each flask features a reinforced neck to withstand the mechanical stress of tightening and high-contrast white enamel graduations for quick, reliable volume estimation.
Description
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Lead Times May Vary
Features:
- Airtight Reliability: The screw cap mechanism ensures a superior seal compared to standard rubber stoppers, which can loosen or pop out during temperature fluctuations.
- Superior Material Grade: Borosilicate 3.3 glass allows for safe heating on hot plates and is highly resistant to aggressive acids and alkalis.
- Optimized for Autoclaving: These flasks are fully autoclavable, making them a staple for microbiology and sterile liquid transfers.
- Splash-Free Mixing: The narrow-neck conical design allows for vigorous swirling and titration without the risk of losing sample material.
Laboratory Care & Safety Tips:
- Pressure Warning: Never heat a screw cap flask while the lid is fully tightened. Always loosen the cap at least half a turn before heating or autoclaving to allow for pressure equalization and prevent the glass from shattering.
- Thermal Handling: Avoid placing a hot flask directly onto a cold stainless steel benchtop. Use a cork ring or heat-resistant mat to prevent thermal stress fractures.
- Cap Maintenance: Regularly inspect the cap threads and internal seals for wear. Replace caps that show signs of chemical degradation to maintain a leakproof seal.
| SKU | Graduation Range | Graduation Interval | Stopper Size |
|---|---|---|---|
| FG5021-1000 | 250 mL - 1000 mL | 50 mL | 8.0 mm |
| FG5021-150 | 75 mL - 150 mL | 25 mL | 5.0 mm |
| FG5021-250 | 50 mL - 200 mL | 25 mL | 6.5 mm |
| FG5021-500 | 100 mL - 500 mL | 50 mL | 6.5 mm |
| FG5021-100 | 50 mL - 100 mL | 25 mL | 3.0 mm |
The Screw Cap Erlenmeyer Flasks from United Scientific combine the classic functionality of a conical flask with the added security of a threaded closure. Manufactured from premium borosilicate glass, these flasks are engineered for exceptional resistance to thermal shock and chemical corrosion, making them ideal for culture media preparation, reagent storage, and volatile liquid handling. The integrated screw cap provides a leakproof seal that protects your samples from evaporation and external contamination. Each flask features a reinforced neck to withstand the mechanical stress of tightening and high-contrast white enamel graduations for quick, reliable volume estimation.
Starting at $36.90
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