Description
LABOCAP caps without handle, 21/23 mm in silver are aluminium covering caps intended for test tubes, culture tubes and similar laboratory vessels. These Kapsenberg-type caps offer a secure yet permeable closure that protects samples from airborne contamination while permitting necessary gas exchange during incubation. Made from aluminium with a silver finish, they combine lightweight durability with good chemical resistance for everyday use in microbiology, cell culture and general laboratory applications. The handle-free design allows compact storage and convenient stacking of capped tubes. With a diameter suited to 21/23 mm openings, the caps ensure a reliable fit on standard glassware. Available in a pack of 100 pieces from manufacturer schuett biotec, they support high-throughput workflows in research and diagnostic laboratories. Their robust aluminium construction withstands typical laboratory handling and cleaning procedures. Whether used as culture caps, reagent tube covers or temporary closures, these LABOCAP caps help maintain sample integrity and laboratory hygiene. The silver colour provides clear visual identification on the bench, and the precise sizing minimises the risk of loose or overly tight fits.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 100 pc(s)
- Product type: LABOCAP caps without handle
- Size: 21/23 mm
- Colour: Silver
- Material: Aluminium
- Design: Handle-free
- Technical Information Sheet:
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Questions about LABOCAP-caps without handle, 21/23 mm, silver (qty=100)
What is this article?
LABOCAP-caps without handle, 21/23 mm, silver (qty=100) is the article on this page. Luminix Health distributes Schuett-Biotec for laboratory use. It sits in Screw caps & closures, inside Stoppers, caps & closures, in Labware.
A screw cap has a thread and a liner. The thread has to match the bottle. The liner has to survive the liquid: a pulp liner fails in a solvent that a PTFE-faced liner ignores. The colour of the cap is not the specification.
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 Screw caps & closures. The catalogue is Labware.
Shelves beside this one are Rubber & silicone stoppers, 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.