Description
neochrom® aluminium crimp caps ND20 in mill finish with a 10 mm hole are ready-mounted closures fitted with a dark-grey butyl septum for vial sealing in laboratory workflows. The assembled crimp cap and septum combination is intended for non-critical analyses and supports secure closure of ND20 vials used in sample preparation, storage of working solutions, and routine instrumental methods.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
The dark-grey butyl septum has a thickness of 3,0 mm and is temperature-resistant from −40 °C to 120 °C, giving a practical working range for many general laboratory conditions. Supplied in packs of 100 pieces from manufacturer neolab - Labor, these neochrom® aluminium crimp closures arrive pre-assembled so septa and caps are matched and ready to apply. The mill-finish aluminium shell with central 10 mm access hole allows syringe penetration through the septum while maintaining the crimp seal. Ideal for laboratories standardising on ND20 formats that need dependable, pre-mounted butyl septa without over-specifying for highly critical applications.
Key features
- Pack size: 100 pc(s)
- Brand: neochrom®
- Type: Aluminium crimp cap ND20, mill finish
- Hole diameter: 10 mm
- Septum: Butyl dark-grey
- EAN: 4058072030537
- Technical Information Sheet:
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Questions about neochrom® Alu-crimp cap ND20 walzblank, Loch 10 mm, Sept. Butyl dkl.-grau 50°
What is this article?
neochrom® Alu-crimp cap ND20 walzblank, Loch 10 mm, Sept. Butyl dkl.-grau 50° is the article on this page. Luminix Health distributes neolab for laboratory use. It sits in Screw caps & closures, inside Stoppers, caps & closures, in Labware.
A screw cap has a thread and a liner. The thread has to match the bottle. The liner has to survive the liquid: a pulp liner fails in a solvent that a PTFE-faced liner ignores. The colour of the cap is not the specification.
A closure is the part that decides whether a bottle stays shut and whether the contents attack the seal. A ground-glass stopper matches a ground neck. A screw cap needs the right thread and a liner that survives the liquid. Rubber and silicone stoppers push into a mouth. The liner, not the colour of the cap, is the chemical choice. The vessels they close are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stoppers, caps & closures. The sub-category is Screw caps & closures. The catalogue is Labware.
Shelves beside this one are Rubber & silicone stoppers, Ground-joint glass stoppers, Lids & seals and Closures (other).
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?
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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.