Description
Test tubes 200 x 25 mm are round-bottom laboratory tubes with a straight rim manufactured from soda-lime glass. They offer a wall thickness of 1,2 mm and a nominal volume of 75 ml, remaining ungraduated to allow flexible application across diverse laboratory tasks. Measuring 200 mm in length and 25 mm in diameter, these larger tubes are well suited for mixing, heating, sample incubation and temporary storage of greater volumes in chemistry, biology and analytical environments. The clear soda-lime glass permits straightforward observation of reactions and contents. Supplied in packs of 126 pieces from manufacturer Marienfeld, they enable convenient bulk stocking for high-throughput or teaching laboratories. The straight rim facilitates covering or stoppering as needed, while the round bottom supports even heating. These tubes provide a practical, durable option for routine experimental work where graduated markings are not required and larger capacity is advantageous.
This article is part of Test tubes, in Tubes & vials.
Key features
- Pack size: 126 pc(s)
- Material: soda-lime glass
- Length: 200 mm
- Diameter: 25 mm
- Wall thickness: 1,2 mm
- EAN: 4250317309761
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Questions about Test tubes 200x25 mm,
What is this article?
Test tubes 200x25 mm, is the article on this page. Luminix Health distributes Marienfeld for laboratory use. It sits in Test tubes, inside Tubes & vials, in Labware.
A test tube is the open cylindrical vessel for a small liquid, in borosilicate glass or in plastic. Rimmed and rimless mouths differ. The size is diameter by length. It is not graduated for a result, and a glass tube that will be centrifuged has a force limit.
A tube holds a small sample upright. A test tube is the open glass or plastic cylinder. A centrifuge tube is conical so a pellet forms at the tip, and it is rated for a centrifugal force the rotor will actually reach. A vial is a small closed bottle, often for a sample that will sit in an instrument. NMR tubes are a special case: the glass has to be uniform or the spectrum is the tube, not the sample. Laboratory ware is listed under ISO laboratory glassware.
Which category should I open next?
The category is Tubes & vials. The sub-category is Test tubes. The catalogue is Labware.
Shelves beside this one are Centrifuge tubes (conical), Sample vials & NMR tubes and Tube & vial accessories.
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.
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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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.