Description
Sample tubes PP 16 x 100 mm with round bottom are laboratory tubes manufactured from polypropylene for general sample handling and storage. Each tube measures 16 mm in diameter and 100 mm in height, offering a nominal volume of 0,012 l. The round-bottom design facilitates mixing and centrifugation applications commonly required in analytical and research workflows. Supplied in packs of 1000 pieces, these tubes from manufacturer Ratiolab provide a practical solution for high-throughput laboratories needing reliable disposable or reusable vessels. Polypropylene construction delivers chemical resistance suitable for aqueous solutions and many organic solvents encountered in routine sample preparation. The consistent dimensions ensure compatibility with standard racks, centrifuges and automated handling systems. Ideal for collecting, transporting and processing biological or chemical samples in medical, pharmaceutical and environmental laboratories, the tubes support efficient daily operations while maintaining sample integrity throughout typical laboratory procedures.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
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Questions about Test Tubes, PP, 16 x 100 mm, round bottom
What is this article?
Test Tubes, PP, 16 x 100 mm, round bottom is the article on this page. Luminix Health distributes Ratiolab for laboratory use. It sits in Round-bottom flasks, inside Beakers & flasks, in Matériel de laboratoire.
A round-bottom flask is the heating flask of a distillation or a reflux. The curved wall takes the heat, and the ground neck connects to a still head or a condenser. The joint size, not only the volume, has to match the rest of the set.
A beaker is an open working vessel: easy to pour, poor as a measure. An Erlenmeyer flask has a flat base and a conical wall so a liquid can be swirled without climbing out. A round-bottom flask is for heating under a condenser, because the heat meets a curved wall and the joint at the neck connects to the rest of the glassware. Borosilicate is the glass that survives the temperature change. These forms are listed under ISO laboratory glassware.
Which category should I open next?
The category is Beakers & flasks. The sub-category is Round-bottom flasks. The catalogue is Matériel de laboratoire.
Shelves beside this one are Beakers, Erlenmeyer flasks, Reaction vessels & jacketed vessels, Flat-bottom flasks, Flasks (other) and Beaker & flask 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.
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.

