Description
neoChoice NS stopper with octagonal plate for NS 14/23 is a plastic ground-joint stopper manufactured from low-density polyethylene (LDPE). Configured as an octagonal lid stopper with a smooth cone, it fits standard ground-glass joints of size NS 14/23 found on round-bottom flasks, reaction vessels, adapters and related laboratory glassware. The octagonal plate improves handling and grip during fitting and removal, while the smooth cone promotes consistent seating in the female joint. Supplied as a pack of 10 pieces, these stoppers from manufacturer neolab - Labor support everyday laboratory sealing tasks where a light, durable PE alternative to glass stoppers is advantageous. LDPE offers flexibility and broad chemical resistance suitable for many aqueous and general laboratory media in teaching, research and analytical environments. They are well suited to temporary closures, jointed sample setups and routine glassware workflows. Product categories cover standard ground-joint stoppers and plastic laboratory stoppers.
This article is part of Ground-joint glass stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 10 pc(s)
- Product type: NS ground joint stopper
- Material: Low-density polyethylene (LDPE)
- Joint size: NS 14/23
- Design: Smooth cone, octagonal plate lid stopper
- EAN: 4058072065775
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Questions about neoChoice -NS Stoppers of PE, 8-sided plate, for NS 14/23, pack 10 pieces
What is this article?
neoChoice -NS Stoppers of PE, 8-sided plate, for NS 14/23, pack 10 pieces is the article on this page. Luminix Health distributes neolab 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.

