Description
Rotilabo®-stoppers with 2 holes are grey laboratory stoppers intended for sealing vessels while permitting tubing, probes or lines to pass through two pre-formed openings. With dimensions of 21 x 27 x 30 mm, they suit common laboratory glassware and containers used in chemical, biological and analytical work. The dual-hole design supports simultaneous inlet and outlet connections, sampling accessories or sensors without removing the stopper. Packaged as 10 pc(s) with a pack weight of 0,162 kg, the set is practical for routine bench stocking and shared laboratory use. These Rotilabo® stoppers from manufacturer ROTH SELECTION form part of the standard plugs and clamps range for everyday labware needs. They are applied wherever controlled access through a sealed neck is required, including gas introduction, continuous flow arrangements and multi-line setups on flasks or bottles. The grey colour helps distinguish them among other consumables, while the defined 21 x 27 x 30 mm profile supports consistent matching to vessel openings of corresponding size in general laboratory practice.
This article is part of Rubber & silicone stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 10 pc(s)
- Product type: Stoppers with 2 holes
- Colour: grey
- Dimensions: 21 x 27 x 30 mm
- Number of holes: 2
- Weight: 0,162 kg
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Questions about Rotilabo®-stoppers with 2 holes, grey, 21 x 27 x 30 mm, 10 unit(s)
What is this article?
Rotilabo®-stoppers with 2 holes, grey, 21 x 27 x 30 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 Matériel de laboratoire.
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 Matériel de laboratoire.
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.