Beschrijving
Articulated glass brushes suitable for flasks with ground joint from NS 29/32 are laboratory cleaning tools designed to reach the interior surfaces of jointed flasks. The articulated construction helps the brush follow the neck and body contours of round- or flat-bottom flasks that carry a standard ground joint starting at NS 29/32, supporting thorough removal of residues after reactions, distillations or solution work. These brushes belong to the laboratory brush and bottle-brush category and are intended for manual cleaning of glassware before washing or drying cycles. Used correctly, they assist in maintaining clear joint surfaces and flask walls so that subsequent assemblies seal properly and optical inspection remains reliable. Supplied as a single piece from manufacturer Hecht, the brush is a practical accessory alongside jointed borosilicate flasks and other ground-joint apparatus. Laboratories that routinely handle NS 29/32 and larger jointed vessels can use this articulated design to improve access in hard-to-reach zones compared with rigid straight brushes, supporting consistent glassware hygiene in analytical, synthetic and teaching environments.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 1 pc
- Product type: Articulated glass brush
- Suitable for: Flasks with ground joint from NS 29/32
- Design: Articulated
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Questions about Brushes, flexible, suitable for flasks with ground joint from 29/32
What is this article?
Brushes, flexible, suitable for flasks with ground joint from 29/32 is the article on this page. Luminix Health distributes Hecht for laboratory use. It sits in Round-bottom flasks, inside Beakers & flasks, in Labmateriaal.
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 Labmateriaal.
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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.