Description
Hexagonal hollow stopper with short ground joint NS 14/15 is a laboratory glassware sealing component intended for standard ground-joint systems. This hollow glass stopper is fitted with a flat hexagonal head that offers a firm, ergonomic grip for seating and withdrawing the stopper during routine experimental work. The short ground joint NS 14/15 delivers an interchangeable, leak-resistant connection to matching flasks, adapters and reaction vessels. Made from glass, it pairs a light hollow body with a precisely ground sealing surface. Net weight is 0,006 kg, so the stopper remains easy to handle within multi-piece glassware assemblies. Supplied as one piece, this stopper from manufacturer Witeg is well suited to closing apparatus in analytical chemistry, preparative organic work and general laboratory practice. The hexagonal head permits controlled force when engaging the joint, supporting a stable seal under normal laboratory conditions. Wherever NS 14/15 short ground joints are specified, this hollow stopper fits existing glassware sets and modular setups used in teaching, research and quality-control laboratories.
This article is part of Ground-joint glass stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 1 pc
- Joint size: NS 14/15
- Material: Glass (unspecified)
- Head shape: Hexagonal, flat
- Construction: Hollow short ground joint
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Questions about ST-glass stopper, short joint, ST 14/15
What is this article?
ST-glass stopper, short joint, ST 14/15 is the article on this page. Luminix Health distributes Witeg 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. Delivery across Europe, two to five days when in stock. 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.
