Description
Hexagonal stopper, hollow, brown, Boro 3.3, size NS 14/23 is a laboratory glassware stopper intended for standard ground-joint closures. The component is produced from borosilicate glass 3.3 and features a hollow body with a hexagonal head for secure grip during insertion and removal. Its brown colouration supports use where reduced light transmission is preferred for the vessel contents. The NS 14/23 joint size matches common laboratory flasks, bottles and adapters fitted with the corresponding standard taper. Packaged as 100 pc(s), the stoppers are suitable for equipping multiple setups or maintaining stock in teaching, research and routine analytical laboratories. These hollow hexagonal stoppers from manufacturer Hecht belong to the broader range of laboratory glass accessories used to seal open ground joints during storage, reaction work or sample handling. Boro 3.3 construction aligns with widely established laboratory glass practice for jointed apparatus. The hexagonal form facilitates controlled torque without specialised tools, while the hollow design keeps the stopper lightweight relative to solid alternatives of the same joint size.
This article is part of Ground-joint glass stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 100 pc(s)
- Product type: Hollow hexagonal stopper
- Material: Boro 3.3
- Colour: Brown
- Joint size: NS 14/23
- Design: Hollow
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Questions about Hollow glass stoppers amber, hexagonal, Boro 3.3, Size: NS 14/23
What is this article?
Hollow glass stoppers amber, hexagonal, Boro 3.3, Size: NS 14/23 is the article on this page. Luminix Health distributes Hecht for laboratory use. It sits in Ground-joint glass stoppers, inside Stoppers, caps & closures, in Labware.
A ground-glass stopper matches a ground neck of a stated joint size. A 14/23 stopper does not seal a 29/32 neck. The stopper is part of the flask's seal, and a chip on the grind is a leak.
A closure is the part that decides whether a bottle stays shut and whether the contents attack the seal. A ground-glass stopper matches a ground neck. A screw cap needs the right thread and a liner that survives the liquid. Rubber and silicone stoppers push into a mouth. The liner, not the colour of the cap, is the chemical choice. The vessels they close are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stoppers, caps & closures. The sub-category is Ground-joint glass stoppers. The catalogue is Labware.
Shelves beside this one are Screw caps & closures, Rubber & silicone stoppers, Lids & seals and Closures (other).
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.