Description
Round-bottom flask, narrow neck NS, 2000 ml, LBG 3.3 is a borosilicate laboratory flask intended for distillation, collection, heating, and general reaction work. Made from borosilicate glass 3.3, it provides the thermal shock resistance and chemical durability required in everyday organic synthesis, sample preparation, and solvent handling. The narrow-neck design supports controlled pouring, stoppering, and connection within standard laboratory assemblies. Nominal volume is 2 l, making the vessel suitable for larger batches, receiving fractions, or multi-step work-ups where capacity and stability matter. Supplied as a pack of 2 pieces from manufacturer Labbox, the set is convenient for parallel setups or as matched spares. Typical applications align with round-bottom flasks, ground-joint flask systems, distillation flasks, and receiving flasks. LBG 3.3 glass is valued for low thermal expansion under heating-mantle or oil-bath conditions when used with appropriate clamps and supports. Pack net weight is 1,310 kg. Consistent geometry aids even heat distribution and secure mounting in rotary evaporator, reflux, or distillation trains.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 2 pc(s)
- Material: Borosilicate glass 3.3
- Neck type: Narrow neck
- Nominal volume: 2 l
- EAN: 8434868005662
- GTIN: 08434868005662
- Technical Information Sheet:
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Questions about Ballon à distiller, fond rond, col étroit, 2000 ml, LBG 3.3, 2 pièces
What is this article?
Ballon à distiller, fond rond, col étroit, 2000 ml, LBG 3.3, 2 pièces is the article on this page. Luminix Health distributes Labbox for laboratory use. It sits in Ballons à fond rond, inside Béchers & fioles, in Matériel de laboratoire.
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 Béchers & fioles. The sub-category is Ballons à fond rond. The catalogue is Matériel de laboratoire.
Shelves beside this one are Béchers, Fioles Erlenmeyer, Récipients de réaction & récipients à double enveloppe, Fioles à fond plat, Fioles (autres) and Accessoires pour béchers & fioles.
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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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.