Description
Closure caps for test tubes in polypropylene (PP), blue, diameter 25 mm, provide a dependable sealing option for larger laboratory glass tubes. They are designed for glass test tubes with article numbers TU02, TU04 and TU05, enabling secure closure during sample processing, transport between stations and short-term holding. The pack contains 250 pieces per bag, a practical quantity for laboratories that use wider-diameter tubes regularly. Polypropylene construction supports routine chemical and biological applications where a robust, lightweight plastic cap is preferred. Blue colour coding aids rapid identification among mixed tube racks and storage trays. Net weight is 0,625 kg per pack, keeping logistics and shelf organisation straightforward. These closure caps from manufacturer Labbox integrate with common glass test-tube formats found in analytical chemistry, life-science and clinical preparation areas. They help limit evaporation, spillage and cross-contamination when tubes are handled or set aside, and support tidy, colour-sorted consumable stocks for daily laboratory operations.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 250 pcs/bag
- Material: Polypropylene (PP)
- Diameter: 25 mm
- Colour: Blue
- Compatibility: Glass test tubes TU02, TU04, TU05
- EAN: 8434868037649
- GTIN: 08434868037649
- Technical Information Sheet:
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Questions about Test tube stopper, PP, Ø25 mm, blue color, 250 pcs
What is this article?
Test tube stopper, PP, Ø25 mm, blue color, 250 pcs is the article on this page. Luminix Health distributes Labbox 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.