Description
Closure caps for test tubes in polypropylene (PP), blue, diameter 16 mm, are practical sealing accessories for laboratory glassware. They are intended for glass test tubes with article numbers TU02, TU04 and TU05, supporting secure closure during sample handling, short-term storage and routine bench work. Each bag contains 500 pieces, giving laboratories a convenient stock of consumables for high-throughput or multi-user environments. Made from polypropylene, the caps suit everyday chemical and biological workflows where a reliable push-on or fit closure is required. The blue colour supports quick visual identification and colour coding on the bench or in storage racks. Net weight per pack is 0,625 kg, which keeps the unit easy to handle and store. These closure caps from manufacturer Labbox complement standard glass test-tube formats used in chemistry, life science and clinical sample preparation. They help reduce spillage and contamination risk when tubes are moved between workstations, incubators or temporary holding areas, and fit naturally into organised laboratory consumable systems.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 500 pcs/bag
- Material: Polypropylene (PP)
- Diameter: 16 mm
- Colour: Blue
- Compatibility: Glass test tubes TU02, TU04, TU05
- EAN: 8434868037625
- GTIN: 08434868037625
- Technical Information Sheet:
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Questions about Test tube stopper, PP, Ø16 mm, blue color, 500 pcs
What is this article?
Test tube stopper, PP, Ø16 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.