Description
neoChoice screw caps with eyelet in yellow are laboratory closures intended for reaction vessels and related sample tubes. Each cap carries an integrated tab so it can be hung on the vessel, keeping lids organised during pipetting, incubation or multi-step protocols and reducing the chance of mix-ups at the bench. An inner cone sealing geometry, designated LIP SEAL, provides reliable contact for routine laboratory sealing needs.
This article belongs on Screw caps & closures, in Stoppers, caps & closures.
These yellow screw caps are offered in a practical pack of 1000 pieces and support clear visual identification in high-throughput or multi-sample workflows. Optional lid inserts from the 7-4550 series allow additional colour coding when transparent caps are used alongside the coloured variants. Produced by manufacturer neolab - Labor, the design combines convenient eyelet attachment with a screw-thread format suited to everyday handling in molecular biology, clinical chemistry, analytical and quality-control laboratories. The distinctive yellow colour helps operators distinguish sample sets quickly, while the robust closure format supports repeated opening and closing during standard laboratory procedures that rely on reaction tubes and similar vessels.
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Questions about neoChoice Schraubverschlüsse mit Öse, gelb, 1000 St./Pack
What is this article?
neoChoice Schraubverschlüsse mit Öse, gelb, 1000 St./Pack is the article on this page. Luminix Health distributes neolab for laboratory use. It sits in Screw caps & closures, inside Stoppers, caps & closures, in Matériel de laboratoire.
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 Matériel de laboratoire.
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.

