Description
Erlenmeyer flask with graduation, borosilicate glass 3.3, with NS glass stopper is a conical laboratory flask designed for mixing, holding and approximate volume measurement of liquids. The 500 ml capacity flask is manufactured from borosilicate glass 3.3 and carries graduation marks along the body. It comes with a matching NS glass stopper that seats in the ground joint sleeve NS29/32, providing a secure closure for temporary storage or transport inside the laboratory. The wide base and sloping walls support efficient swirling of suspensions and solutions, while the narrow neck reduces splash and evaporation. These flasks from manufacturer Hecht are offered in packs of 6 pieces for convenient stocking of teaching, quality-control and research benches. Borosilicate glass 3.3 delivers the chemical and thermal resistance expected of standard reusable lab glassware, making this graduated, stoppered Erlenmeyer flask a practical choice whenever a 500 ml vessel with NS29/32 joint is specified.
This article is part of Erlenmeyer flasks, in Beakers & flasks.
Key features
- Pack size: 6 pc(s)
- Product type: Erlenmeyer flask with graduation
- Material: Borosilicate glass 3.3
- Nominal volume: 500 ml
- Ground joint: NS29/32
- Closure: NS glass stopper
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Questions about Flasks, erlenmeyer, (conical) narrow neck with socket, with glass stopper, Boro
What is this article?
Flasks, erlenmeyer, (conical) narrow neck with socket, with glass stopper, Boro 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.
How does ordering and shipping work?
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.

