Description
End caps made from PEEK are precision accessories intended for polarimeter tubes used in optical rotation measurements. Each pack contains two end caps that provide secure closure of the tube ends, helping to retain liquid samples during polarimetric analysis. PEEK construction offers chemical resistance and mechanical stability suitable for laboratory environments where sample integrity and instrument compatibility are essential. These end caps from manufacturer Bellingham + Stanley support reliable operation of polarimeter tubes in quality-control, research and analytical chemistry settings. The compact two-piece set is easy to store and replace when required, with a net weight of only 0,018 kg and a gross weight of 0,02 kg. Designed specifically as polarimeter-tube end fittings, the caps contribute to consistent optical path length and minimise leakage or evaporation during measurement. Laboratories performing routine or high-precision polarimetry benefit from durable, purpose-built components that maintain instrument readiness and sample containment.
This article is part of HPLC fittings, tubing & inline filters, in HPLC columns & accessories.
Key features
- Pack size: 2 pc(s)
- Product type: End caps
- Material: PEEK
- EAN: 4064664044172
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Questions about END CAPS, PEEK
What is this article?
END CAPS, PEEK is the article on this page. Luminix Health distributes Bellingham + Stanley for laboratory use. It sits in HPLC fittings, tubing & inline filters, inside HPLC columns & accessories, in Chromatography equipment.
HPLC fittings and tubing are numbered by bore. A wide bore after the column broadens the peaks. Finger-tight and wrench fittings, and stainless against PEEK, are different pressure ratings. An inline filter is the last screen before the column, and it clogs on purpose so the column does not.
An HPLC column is a tube packed, or coated, with a stationary phase. The sample is carried through it by a liquid, and the compounds leave at different times. The phase, the particle size, the length and the internal diameter decide the separation. A guard column is a short sacrificial piece in front of the analytical column. Fittings and tubing have a bore that either preserves the peak or smears it. Compound names follow IUPAC. Data are on PubChem. Method grades often cite the European Pharmacopoeia or USP.
Which category should I open next?
The category is HPLC columns & accessories. The sub-category is HPLC fittings, tubing & inline filters. The catalogue is Chromatography equipment.
Shelves beside this one are HPLC columns, HPLC guard columns and HPLC 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.

