Description
Flat-bottom flask 500 ml narrow neck BORO 3.3 is a medium-height laboratory standing flask manufactured from borosilicate glass 3.3 and finished with a beaded rim. It provides a nominal volume of 0,5 l, with a flask diameter of 105 mm, an overall height of 170 mm and a narrow neck diameter of 34 mm, giving a stable base and controlled access for stoppers or simple closures. The BORO 3.3 material offers the chemical resistance and thermal behaviour expected for routine heating, mixing and holding of aqueous and many organic media in general chemistry and teaching laboratories. This narrow-neck design from manufacturer Witeg suits sample preparation, reagent storage on the bench and educational setups where a flat-bottom vessel is preferred over round-bottom forms. Supplied as a pack of 10 pieces, the flasks support consistent laboratory workflows that require durable glassware with defined geometry and reliable everyday performance without specialised joint systems.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 10 pc(s)
- Nominal volume: 0,5 l
- Material: Borosilicate glass 3.3
- Neck type: Narrow neck
- Flask diameter: 105 mm
- Height: 170 mm
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Questions about Flasks, flat bottom, medium length, 500
What is this article?
Flasks, flat bottom, medium length, 500 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Round-bottom flasks, inside Beakers & flasks, in Labware.
A round-bottom flask is the heating flask of a distillation or a reflux. The curved wall takes the heat, and the ground neck connects to a still head or a condenser. The joint size, not only the volume, has to match the rest of the set.
A beaker is an open working vessel: easy to pour, poor as a measure. An Erlenmeyer flask has a flat base and a conical wall so a liquid can be swirled without climbing out. A round-bottom flask is for heating under a condenser, because the heat meets a curved wall and the joint at the neck connects to the rest of the glassware. Borosilicate is the glass that survives the temperature change. These forms are listed under ISO laboratory glassware.
Which category should I open next?
The category is Beakers & flasks. The sub-category is Round-bottom flasks. The catalogue is Labware.
Shelves beside this one are Beakers, Erlenmeyer flasks, Reaction vessels & jacketed vessels, Flat-bottom flasks, Flasks (other) and Beaker & flask accessories.
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When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.