Description
Crimp cap ND20 aluminium, colourless, full tear-off is designed for sealing laboratory vials with an ND20 neck finish. The colourless aluminium construction provides a clear, uncoloured closure appearance for sample identification and routine analytical work. Full tear-off geometry allows the entire centre section to be removed after crimping, giving wide access to the vial contents when samples must be withdrawn or transferred. Caps are packed as 10 × 100 pieces per package, equalling 1000 pieces in total for efficient stock management in busy laboratories. This ND20 aluminium crimp cap from manufacturer Altmann Analytik is offered as an alternative to corresponding items from National Scientific, Wheaton, Finneran, SUN/SRI International and VWR, supporting interchangeability in many established vial platforms. Combined with compatible ND20 vials and crimping equipment, the full tear-off colourless aluminium cap suits chromatography, quality-control and general sample-handling applications. The 1000-piece multipack format is practical for laboratories that consume large numbers of crimp closures and need reliable day-to-day availability.
This article is part of Vial caps & septa, in Vials, caps & septa.
Key features
- Pack size: 1000 pc(s)
- Product type: Crimp cap
- Neck finish: ND20
- Material: Aluminium
- Colour: Colourless
- Opening style: Full tear-off
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Questions about ND20 Al crimp seal, transparent, compete tear-off, 10 x 100 pc
What is this article?
ND20 Al crimp seal, transparent, compete tear-off, 10 x 100 pc is the article on this page. Luminix Health distributes Altmann Analytik for laboratory use. It sits in Vial caps & septa, inside Vials, caps & septa, in Chromatography equipment.
A vial cap and a septum have to match the vial neck: crimp, screw or snap, and the diameter. The septum material, PTFE/silicone or rubber, decides chemical resistance and how many times a needle can pierce it. A septum that sheds into the solvent becomes ghost peaks.
An autosampler vial is the small closed bottle a chromatograph picks up. The neck is crimp, screw or snap, and the cap and the septum have to be that neck. The septum is the part the needle pierces. A soft septum reseals. A septum that is wrong for the solvent swells or sheds particles into the sample. Inserts reduce the volume when the sample is scarce. The separation they feed is described with IUPAC names and PubChem data.
Which category should I open next?
The category is Vials, caps & septa. The sub-category is Vial caps & septa. The catalogue is Chromatography equipment.
Shelves beside this one are Chromatography accessories, Autosampler vials, Crimpers & decappers and Vial inserts.
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.
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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.