Description
Erlenmeyer flask with graduation, borosilicate glass 3.3, with NS glass stopper is a 500 ml conical laboratory flask for mixing, preparation and handling of larger liquid volumes. The graduated body allows approximate volume reading, and the NS glass stopper seals the ground neck for controlled bench use. Nominal volume is 0,5 l with joint size NS 29/32. Fabricated from borosilicate glass 3.3, the flask delivers the clarity and standard laboratory geometry associated with Erlenmeyer vessels. This graduated flask from manufacturer Hecht comes as a single piece and is suited to research, teaching and quality-control laboratories that need a stoppered conical flask at the 500 ml scale. The wide flat base supports stable standing and swirling, while the neck with NS stopper helps limit splash and evaporation. Graduation marks enable rapid visual volume checks without replacing precision volumetric ware. NS 29/32 joint geometry matches common ground-joint accessories, so the flask fits existing setups for solution work, media preparation and general sample processing.
This article is part of Erlenmeyer flasks, in Beakers & flasks.
Key features
- Pack size: 1 pc
- Product type: Erlenmeyer flask with graduation
- Material: Borosilicate glass 3.3
- Nominal volume: 500 ml (0,5 l)
- Joint size: NS 29/32
- Stopper: NS glass stopper
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Questions about Erlenmeyer flasks, borosilicate glass 3.3, with interchangeable glass stopper
What is this article?
Erlenmeyer flasks, borosilicate glass 3.3, with interchangeable glass stopper is the article on this page. Luminix Health distributes Hecht for laboratory use. It sits in Erlenmeyer flasks, inside Beakers & flasks, in Labware.
An Erlenmeyer, or conical, flask has a flat base and a narrowing wall so a liquid can be swirled. It is the ordinary culture and titration flask. A baffled wall is a different article, used when the swirl must turn the liquid over.
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 Erlenmeyer flasks. The catalogue is Labware.
Shelves beside this one are Round-bottom flasks, Beakers, Reaction vessels & jacketed vessels, Flat-bottom flasks, Flasks (other) and Beaker & flask accessories.
What should I check before I order?
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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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

