Description
Pouring ring PP GL 45 natural is a polypropylene pouring ring for laboratory bottles with GL 45 thread. Fitted between the bottle neck and screw cap, it supports cleaner, more controlled pouring and helps limit drips when transferring media, buffers or reagents. The ring is supplied in a natural colour finish and is autoclavable up to 140 °C, so it can follow routine sterilisation cycles used in research, quality-control and teaching laboratories. Its GL 45 geometry matches the widely used bottle thread standard for reagent and sample containers. Offered as a pack of 10 pc(s) from manufacturer Witeg, each ring has a net weight of 0,001 kg and is intended as a compact replacement or original accessory for GL 45 bottle assemblies. Polypropylene construction suits everyday laboratory handling where a light, chemically robust pouring aid is required. Pair the rings with matching GL 45 screw caps and round laboratory bottles to complete storage and dispensing sets for aqueous solutions and other liquids compatible with PP fittings.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 10 pc(s)
- Material: PP (polypropylene)
- Thread: GL 45
- Colour: Natural
- Autoclavable: up to 140 °C
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Questions about Pouring rings PP GL 45 nature
What is this article?
Pouring rings PP GL 45 nature is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Screw caps & closures, inside Stoppers, caps & closures, in Matériel de laboratoire.
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 Matériel de laboratoire.
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.