Description
Closure caps for test tubes, Labocap 19/20, silver, are aluminium tube caps designed for microbiological, bacteriological and biotechnological laboratories. They primarily protect samples from external contamination and provide a sterilizable but non-hermetic closure. Constructed from high-quality aluminium with an inner spring of nickel-plated steel, the cap remains seated on the tube while allowing the intended air exchange. These Labocap closures from manufacturer Labbox are autoclavable and temperature-resistant up to 140 °C, supporting sterilization in routine culture and sample-handling applications. Offered as a pack of 10 pieces with a net weight of 0,060 kg, the silver 19/20 format fits matching test-tube sizes where controlled gas exchange is preferred over a fully airtight seal. Robust aluminium construction and spring retention make them practical consumables for everyday protection of open tube cultures and intermediate laboratory samples.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 10 pc(s)
- Product type: LABOCAP
- Size: 19/20
- Colour: Silver
- Material: High-quality aluminium with nickel-plated steel spring
- EAN: 8434868106321
- GTIN: 08434868106321
- Technical Information Sheet:
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Questions about Test tube caps, Labocap, 19/20, silver, 10 pcs
What is this article?
Test tube caps, Labocap, 19/20, silver, 10 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.