Description
Rotilabo® cork plugs, 27 x 30/26 mm, are tapered cork stoppers for laboratory vessels, bottles and related glassware. With a length of 27 mm and diameters of 30/26 mm, they address mid-range neck sizes frequently encountered in general lab setups. The articles are offered as 10 pc(s) per pack, giving a practical quantity for shared benches, teaching collections or reserve stocks. Pack weight is given as 0,287 kg, which assists handling and inventory records. Drawn from the Rotilabo® assortment of manufacturer ROTH SELECTION, these plugs fit established labware groups covering laboratory glass, vessels, consumables, stoppers and clamps. They are intended for everyday sealing duties where cork is the preferred closure material for temporary covering or simple containment. Dimension details stated in the product designation make it straightforward to match the plug to the vessel opening and to keep size series organised in storage drawers across research, control and educational laboratories.
This article is part of Rubber & silicone stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 10 pc(s)
- Brand: Rotilabo®
- Product type: Cork plugs
- Dimensions: 27 x 30/26 mm
- Weight: 0,287 kg
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Questions about Rotilabo® cork plugs, 27 x 30/26 mm, 10 unit(s)
What is this article?
Rotilabo® cork plugs, 27 x 30/26 mm, 10 unit(s) is the article on this page. Luminix Health distributes Carl Roth 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?
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.

