Description
Test tubes with straight rim in DURAN® glass are thick-walled laboratory vessels with a nominal volume of 16 ml for general sample handling and routine wet-chemistry work. The straight rim supports easy filling, mixing, pouring and cleaning, and is compatible with common laboratory stoppers and closures used on the bench. Thick-walled construction gives each tube a robust profile suited to everyday handling in teaching, quality-control and research environments. This pack supplies 100 pc(s), a practical quantity for laboratories that use test tubes continuously for aliquots, dilutions, colour reactions and short-term holding of solutions. The 16 ml capacity is convenient for small-scale preparations and visual observation of contents through the clear glass wall. These DURAN® tubes from manufacturer DWK Life Sciences fit standard racks and typical laboratory workflows without special adapters. Combined straight-rim geometry and thick wall make them a versatile choice for sample tubes in analytical and educational settings. With a pack weight of 1,200 kg, the unit is straightforward to store, issue and restock from central laboratory supplies.
This article is part of Test tubes, in Tubes & vials.
Key features
- Pack size: 100 pc(s)
- Design: Straight rim
- Construction: Thick walled
- Brand: DURAN®
- Nominal volume: 16 ml
- Weight: 1,200 kg
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Questions about Test tubes, straight rim, DURAN®, thick walled, 16 ml, 100 unit(s)
What is this article?
Test tubes, straight rim, DURAN®, thick walled, 16 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.

