Beschrijving
Pouring ring GL 45 blue PP is a laboratory accessory designed for bottles with GL 45 screw thread, enabling cleaner and more controlled pouring of liquids. Fabricated from polypropylene (PP) and finished in blue, the ring sits between the bottle neck and the screw cap to create a practical pouring lip that limits dripping and spillage during transfer of reagents, media or other laboratory fluids. It is suited to standard GL 45 laboratory bottles commonly used in chemistry, life-science and analytical environments where polypropylene chemical resistance meets routine requirements. The pack contains 10 pc(s), and each ring has a net weight of 0,001 kg, keeping the added mass on the bottle assembly minimal. These pouring rings from manufacturer Witeg provide a simple, lightweight solution for improving day-to-day liquid handling without changing the bottle’s sealing principle. Blue colour coding supports fast visual distinction from other accessories, while the GL 45 format aligns with widely used larger media and reagent bottles. Ideal for everyday bench work, the accessory helps maintain tidier workflows and more reliable dispensing from GL 45 threaded vessels.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 10 pc(s)
- Product type: Pouring ring
- Thread size: GL 45
- Material: PP
- Colour: blue
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Questions about Pouring rings GL 45 blue PP
What is this article?
Pouring rings GL 45 blue PP is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Screw caps & closures, inside Stoppers, caps & closures, in Labmateriaal.
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 Labmateriaal.
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?
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.