Description
The Erlenmeyer Conical Flask with Screw Cap from Osmosis Scientific is a high-quality laboratory vessel designed for reliable liquid handling, mixing, heating, and storage. Manufactured from premium Boro 3.3 borosilicate glass, the flask provides excellent resistance to thermal shock and chemical corrosion, ensuring dependable performance across routine and demanding laboratory applications.
Its classic conical geometry enables efficient swirling and mixing while minimizing splashing and evaporation. The threaded neck with a secure screw cap provides tight closure, helping protect solutions from contamination and environmental exposure during storage or handling.
White enamel graduations allow quick visual estimation of liquid volumes during laboratory workflows. The flat base enhances stability on laboratory benches, reducing tipping risk and improving operational safety.
Available in capacities ranging from 50 ml to 5000 ml, this flask supports both small analytical procedures and large-volume solution preparation. The durable borosilicate construction withstands repeated heating cycles, cleaning procedures, and standard laboratory conditions without compromising structural integrity.
| Capacity (mL) | Thread Size | Diameter (mm) | Pack of | SKU | Enquiry |
|---|---|---|---|---|---|
| 50 | GL 25 | 51 | 2 | EFSC-0050-GL25 | Enquire Now |
| 100 | GL 25 | 64 | 2 | EFSC-0100-GL25 | Enquire Now |
| 150 | GL 25 | 72 | 2 | EFSC-0150-GL25 | Enquire Now |
| 250 | GL 45 | 85 | 2 | EFSC-0250-GL45 | Enquire Now |
| 500 | GL 45 | 105 | 2 | EFSC-0500-GL45 | Enquire Now |
| 1000 | GL 45 | 131 | 2 | EFSC-1000-GL45 | Enquire Now |
| 2000 | GL 45 | 166 | 2 | EFSC-2000-GL45 | Enquire Now |
| 5000 | GL 45 | 220 | 2 | EFSC-5000-GL45 | Enquire Now |
Frequently Asked Questions (FAQs)
The screw cap creates an airtight, leak-resistant seal that prevents evaporation, contamination, and spillage during storage, heating, mixing, transport, and cell culture work.
GL (ground glass) thread sizes indicate the neck opening diameter and length in millimeters. GL 25 is smaller (used for 50–150 mL flasks), while GL 45 is larger (used for 250+ mL flasks).



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