Description
Silicone stopper with top diameter 27 mm, bottom diameter 23 mm and height 25,4 mm is a larger tapered laboratory closure for sealing wider-neck flasks, bottles and vessels in research and analytical laboratories. Produced from brown silicone, it delivers the elasticity and durable fit required for secure temporary or intermediate sealing during sample handling and preparation. The silicone remains serviceable from −70 °C to 200 °C, covering cold-storage conditions through to moderate heating steps typical of chemical and biological work. Available as a pack of 10 pieces from manufacturer Labbox, these stoppers address applications that need a broader plug while retaining the handling advantages of a soft polymer seal. The taper from 27 mm at the top to 23 mm at the bottom aids stable seating in matching openings and allows controlled insertion and removal. With a net weight of 0,130 kg per pack, the set supplies a practical stock of reusable brown silicone stoppers for routine bench sealing tasks in teaching, quality-control and research environments.
This article is part of Rubber & silicone stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 10 pc(s)
- Material: Brown silicone
- Top diameter: 27 mm
- Bottom diameter: 23 mm
- Height: 25,4 mm
- EAN: 8434868045569
- GTIN: 08434868045569
- Technical Information Sheet:
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Questions about Silicone stopper, solid, Øtop 27mm, Øbottom 23 mm, h 25,4 mm, 10 pcs
What is this article?
Silicone stopper, solid, Øtop 27mm, Øbottom 23 mm, h 25,4 mm, 10 pcs is the article on this page. Luminix Health distributes Labbox for laboratory use. It sits in Rubber & silicone stoppers, inside Stoppers, caps & closures, in Labware.
A rubber or silicone stopper is pushed into a mouth. The size number corresponds to a top and bottom diameter. Silicone survives higher temperatures and more autoclave cycles. Natural rubber is attacked by oils and by some solvents.
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 Rubber & silicone stoppers. The catalogue is Labware.
Shelves beside this one are Screw caps & closures, Ground-joint glass 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.