Description
Round-bottom flask 2000 ml KS 35/20 coated is a single-neck laboratory flask with spherical ground joint KS 35/20, designed for distillation, reaction and collection work. Made from clear borosilicate glass 3.3, it combines high chemical resistance with good thermal shock performance for everyday preparative use. A plastic coating adds mechanical protection and helps retain contents if the glass is damaged. Nominal volume is 2 l, with an outer diameter of 166 mm and overall height of 260 mm, giving a practical footprint on heating mantles and stands. The KS 35/20 ball joint supports reliable, leak-resistant connections in multi-piece apparatus. Supplied in packs of 10 pieces from manufacturer Witeg, this coated round-bottom flask suits solvent recovery, organic synthesis and general wet-chemistry workflows where safety-coated glassware is preferred. Its clear glass body allows easy visual monitoring of contents, boiling behaviour and phase separation throughout the process.
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: 2 l
- Joint size: KS 35/20
- Material: borosilicate glass 3.3, clear, plastic-coated
- Outer diameter: 166 mm
- EAN: 4046681013225
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Questions about Round bottom flask 2000 ml S 35/20 plastic coated
What is this article?
Round bottom flask 2000 ml S 35/20 plastic coated 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.
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.