Description
White polypropylene (PP) lid inserts for reaction vessels provide a straightforward colour-coding solution for laboratory microtubes and similar reaction tubes. The inserts are intended for lids without a tamper-evident seal and seat in the cap to mark samples by colour when viewed from above, supporting rapid visual identification during centrifugation, incubation and storage. Made from PP, they integrate cleanly into everyday molecular-biology and biochemistry workflows where many parallel reaction vessels must stay distinguishable. A pack of 500 pieces supplies high-throughput benches, teaching labs and routine diagnostic preparation with enough inserts for extended series work. These white lid inserts from manufacturer Brand help organise sample sets by assay type, time point or operator without rewriting labels on frosted or wet caps. Use them wherever clear top-side colour coding of reaction-vessel lids improves rack orientation, reduces handling errors and keeps multi-sample experiments easy to track from setup through analysis.
This article is part of Microcentrifuge & reaction tubes, in Microplates, PCR & reaction tubes.
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Microplates, PCR & reaction tubes
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Questions about Cap insert, PP, for micro tubes, for color coding, white, pack of 500
What is this article?
Cap insert, PP, for micro tubes, for color coding, white, pack of 500 is the article on this page. Luminix Health distributes BRAND for laboratory use. It sits in Microcentrifuge & reaction tubes, inside Microplates, PCR & reaction tubes, in Consommables.
A microcentrifuge tube, the familiar 1.5 mL or 2 mL flip-cap tube, holds a small reaction or a spin-down. The cap style, the centrifugal-force rating and whether the tube is low-binding are the specification. A PCR tube is thinner and is a different article.
A microplate is an array of wells so the same step can be done many times. A deep-well plate holds more volume. A PCR plate or a strip of tubes is thin-walled so the temperature of a cycler reaches the liquid quickly. A seal keeps the well from evaporating. The well number, the working volume and whether the plate is skirted for a robot are the choices. Diagnostic test systems are listed under ISO in vitro diagnostic systems. Methods are on PubMed.
Which category should I open next?
The category is Microplates, PCR & reaction tubes. The sub-category is Microcentrifuge & reaction tubes. The catalogue is Consommables.
Shelves beside this one are PCR plates, tubes & strips, Microplates, Plate seals & sealing films and Deep-well plates.
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.

