Description
DURAN® bottle glass stoppers with a hexagonal head and standard ground joint NS 7/16 are precision-ground closures for laboratory bottles and vessels that use matching taper joints. The hexagonal design allows secure finger grip and controlled seating or removal without tools, supporting clean sealing of reagents, intermediates and samples. Made as DURAN® glass stoppers, they suit everyday chemical laboratory practice where interchangeable ground-glass joints are preferred over elastomeric plugs. Each unit is intended for bottles and glassware specified with joint size 7/16, helping maintain vapour-tight or dust-protected closures during storage and short-term handling. Supplied in a pack of 10 pieces from manufacturer DWK Life Sciences, the set is convenient for stocking multiple bottles of the same joint size or replacing worn stoppers. The pack weight is 0,020 kg. These stoppers integrate into standard labware systems for teaching, research and quality laboratories that rely on DURAN® ground-joint bottle accessories.
This article is part of Laboratory glass bottles, in Bottles & containers.
Key features
- Pack size: 10 pc(s)
- Brand: DURAN®
- Product type: Bottle glass stopper
- Head shape: Hexagonal
- Ground joint: NS 7/16
- Material: Glass
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Questions about Bottle glass stoppers, DURAN®, hexagonal, standard ground joint 7/16, 10 unit(s)
What is this article?
Bottle glass stoppers, DURAN®, hexagonal, standard ground joint 7/16, 10 unit(s) is the article on this page. Luminix Health distributes DWK Life Sciences for laboratory use. It sits in Laboratory glass bottles, inside Bottles & containers, in Labware.
A laboratory glass bottle is borosilicate or soda-lime, with a stated capacity and a neck for a screw cap or a ground stopper. Glass is the choice when the liquid attacks a plastic, or when the bottle will be heated or autoclaved.
A laboratory bottle is a closed container with a stated volume and a neck that takes a cap, a stopper or a dispenser. Borosilicate glass is the choice when the liquid is a solvent, or when the bottle will be heated or autoclaved. Polyethylene and polypropylene are the choice when the bottle must not shatter, or when hydrofluoric acid would attack glass. A narrow mouth pours. A wide mouth is for powders and for reaching the bottom. Laboratory ware of this kind is indexed under ISO laboratory glassware. Traceable volume sits with the BIPM and NIST Physical Measurement.
Which category should I open next?
The category is Bottles & containers. The sub-category is Laboratory glass bottles. The catalogue is Labware.
Shelves beside this one are Plastic bottles (narrow & wide mouth), Sample containers & jars, Canisters & jerrycans, Wash bottles and Bottle accessories (pouring rings, dispensers, caps).
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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.