Description
Test tubes with straight rim, DURAN®, are thick-walled laboratory tubes offering a 9 ml volume for routine sample work, heating and simple reactions. The straight rim provides a clean, even edge that is convenient for covering, labelling and placement in standard racks. Thick-walled DURAN® glass is intended for general laboratory service where durable glassware is preferred for repeated handling. Supplied in packs of 100 pc(s) with a pack weight of 0,800 kg, these tubes support high-throughput teaching, quality-control and research benches. This straight-rim format from manufacturer DWK Life Sciences complements beaded-rim alternatives when a flush rim profile is desired. The 9 ml capacity suits small aliquots, qualitative tests and short-term holding of liquids under normal laboratory conditions. Consistent thick-wall construction across the pack helps keep handling behaviour predictable during heating or mixing steps. Select this 100-unit DURAN® pack for dependable straight-rim test tubes in everyday chemical and life-science applications.
This article is part of Test tubes, in Tubes & vials.
Key features
- Pack size: 100 pc(s)
- Product type: Test tubes, straight rim
- Brand: DURAN®
- Wall type: Thick walled
- Volume: 9 ml
- Rim: Straight
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Questions about Test tubes, straight rim, DURAN®, thick walled, 9 ml, 100 unit(s)
What is this article?
Test tubes, straight rim, DURAN®, thick walled, 9 ml, 100 unit(s) is the article on this page. Luminix Health distributes DWK Life Sciences 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?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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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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.

