Description
Volumetric flask, PMP, class B, 250 ml with NS 19/26 ground joint and PP stopper provides a transparent, durable vessel for preparing standard solutions and performing accurate volumetric measurements. Made from polymethylpentene, the flask offers excellent clarity for meniscus observation together with chemical resistance suitable for aqueous solutions and many laboratory reagents. Class B accuracy meets the requirements of routine analytical work, teaching laboratories and quality-control applications. The 250 ml nominal volume and NS 19/26 joint are closed by the included polypropylene stopper, ensuring a reliable seal during mixing and temporary storage. Supplied by manufacturer Brand in convenient packs of two pieces, the lightweight PMP construction reduces breakage risk compared with traditional glassware while remaining easy to handle. These flasks are well suited to serial dilutions, titrations and sample preparation in educational, industrial and research settings that need dependable plastic volumetric flasks of intermediate capacity.
This article is part of Volumetric flasks, in Volumetric glassware.
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Questions about Volumetric flask PMP class B, 250 ml, NS 19/26, PP-stopper, trans.
What is this article?
Volumetric flask PMP class B, 250 ml, NS 19/26, PP-stopper, trans. is the article on this page. Luminix Health distributes BRAND for laboratory use. It sits in Volumetric flasks, inside Volumetric glassware, in Matériel de laboratoire.
A volumetric flask is calibrated to contain one volume at a reference temperature, with a single mark on a narrow neck. Class A is the tight tolerance. It is not a storage bottle and it is not for heating. The stopper is part of the calibrated article.
Volumetric glassware is glass that has been calibrated to contain or to deliver one stated volume at a reference temperature. That calibration is the whole point. Class A and class AS have a tighter tolerance than class B. A volumetric flask contains. A pipette and a burette deliver. A measuring cylinder is the coarser reading, used when the volume is not the result. The classes sit under ISO laboratory glassware. The chain back to the unit of volume is the work of the BIPM and of NIST.
Which category should I open next?
The category is Volumetric glassware. The sub-category is Volumetric flasks. The catalogue is Matériel de laboratoire.
Shelves beside this one are Measuring cylinders, Burettes, Mixing cylinders and Volumetric accessories & certificates.
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.

