DURAN 217217709 Round Bottom Flask 6000 mL
The DURAN 217217709 is a 6,000 mL round-bottom flask with a narrow mouth neck and beaded rim, constructed from DURAN® borosilicate glass 3.3. It’s engineered for uniform heating in demanding lab settings. The round bottom and uniform wall thickness help distribute heat evenly, minimizing hot spots during heating or reaction work. The beaded rim adds mechanical strength and resists chipping at the neck. ([turn0search6],[turn0search2])
Additional features include:
Capacity: 6,000 mL
Outer body diameter ~ 236 mm, overall height ~ 355 mm
Neck outer diameter ~ 51 mm
Non-DIN ISO size (non-standard large volume)
Uniform wall thickness for better thermal shock resistance and heating performance
Material Type I borosilicate, fully autoclavable (~121 °C)
Key Specifications
| Parameter | Value |
|---|---|
| Catalogue Number | 217217709 |
| Capacity | 6,000 mL |
| Material | DURAN® Borosilicate Glass 3.3 |
| Neck Type / Beaded Rim | Narrow mouth, beaded rim |
| Body Diameter (OD) | ~ 236 mm |
| Neck Outer Diameter | ~ 51 mm |
| Height | ~ 355 mm |
| Non-DIN ISO Size | Yes |
| Autoclavable | Yes (~121 °C) |
Applications & Use-Cases
Large-scale reaction vessels for heating, reflux, or distillation in research / industrial labs.
Situations needing even heat distribution (round bottom) for large volumes.
Use where durability and traceability matter in large glassware operations.
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