Description
Closure caps for test tubes in polypropylene (PP), blue, with a diameter of Ø13 mm, provide a practical seal for routine laboratory sample handling. These caps are intended for glass test tubes with article numbers TU02, TU04 and TU05, supporting secure closure during storage, transport and short-term holding of reagents or specimens. Manufactured from polypropylene, they offer a lightweight, durable fit suited to everyday bench work in chemistry, biology and clinical sample workflows. Supplied in a convenient bag of 500 pieces from manufacturer Labbox, the pack supports high-throughput laboratories that need consistent colour coding and ready availability of matching closures. The blue colour aids visual organisation of sample series and reduces mix-ups when several tube sizes or contents are processed side by side. With a net weight of 0,625 kg per pack, the unit is easy to store and restock. These PP closure caps integrate smoothly into standard glass test-tube setups used for sample preparation, intermediate storage and general laboratory organisation without adding unnecessary complexity to established protocols.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 500 pcs/bag
- Material: Polypropylene (PP)
- Diameter: Ø13 mm
- Colour: Blue
- Compatibility: Glass test tubes TU02, TU04, TU05
- EAN: 8434868037618
- GTIN: 08434868037618
- Technical Information Sheet:
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Questions about Test tube stopper, PP, Ø13 mm, blue color, 500 pcs
What is this article?
Test tube stopper, PP, Ø13 mm, blue color, 500 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.