Description
Rotilabo®-stoppers with 2 holes are grey laboratory plugs measuring 18 x 24 x 30 mm, designed to close vessel openings while accommodating two tubes or glass pieces through dedicated holes. The larger height and diameters relative to smaller variants make this size appropriate for slightly wider necks and more robust tubing arrangements in routine laboratory work. Natural rubber delivers the elasticity needed for a snug mechanical fit against glassware and comparable vessels. Supplied in a pack of 25 pc(s) with a weight of 0,327 kg, the product supports continuous use in multi-user laboratories. This Rotilabo® stopper set from manufacturer ROTH SELECTION belongs to the plugs segment under stoppers and clamps for laboratory glass, vessels and consumables. Stated dimensions enable straightforward selection against neck size and application geometry. The two-hole grey format is useful for aeration, gas inlet/outlet pairs and simple liquid-handling lines, reducing on-site drilling and helping keep sealing components consistent across teaching, analytical and preparative workflows.
This article is part of Rubber & silicone stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 25 pc(s)
- Material: natural rubber
- Colour: grey
- Holes: 2
- Dimensions: 18 x 24 x 30 mm
- Weight: 0,327 kg
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Questions about Rotilabo®-stoppers with 2 holes, grey, 18 x 24 x 30 mm, 25 unit(s)
What is this article?
Rotilabo®-stoppers with 2 holes, grey, 18 x 24 x 30 mm, 25 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.