Description
Screw cap, PFA, for bottles, GL 25 is a chemically resistant laboratory closure designed for secure sealing of bottles with a GL 25 thread. Made from perfluoroalkoxy (PFA), the cap combines high chemical inertness with mechanical stability, making it suitable for use with aggressive reagents, solvents and high-purity media commonly handled in analytical and research laboratories. The GL 25 screw thread ensures reliable compatibility with standard laboratory bottles that share this neck finish, allowing repeated opening and closing while maintaining a tight seal. Supplied as a single piece from manufacturer Vitlab, this screw cap supports routine sample storage, reagent handling and process work where material purity and corrosion resistance are essential. PFA is valued for its broad chemical resistance and cleanability, helping to minimise contamination risks in sensitive workflows. The compact screw design integrates easily into existing bottle systems and belongs to the standard range of laboratory screw closures. Ideal for chemistry, life-science and industrial lab environments that require durable, chemically robust bottle capping solutions.
This article is part of Laboratory glass bottles, in Bottles & containers.
Key features
- Pack size: 1 pc
- Material: PFA
- Thread: GL 25
- Product type: Screw cap
- Intended use: For laboratory bottles
- Closure type: Screw closure
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Questions about Screw cap, PFA, thread GL25
What is this article?
Screw cap, PFA, thread GL25 is the article on this page. Luminix Health distributes Vitlab for laboratory use. It sits in Laboratory glass bottles, inside Bottles & containers, in Labware.
A laboratory glass bottle is borosilicate or soda-lime, with a stated capacity and a neck for a screw cap or a ground stopper. Glass is the choice when the liquid attacks a plastic, or when the bottle will be heated or autoclaved.
A laboratory bottle is a closed container with a stated volume and a neck that takes a cap, a stopper or a dispenser. Borosilicate glass is the choice when the liquid is a solvent, or when the bottle will be heated or autoclaved. Polyethylene and polypropylene are the choice when the bottle must not shatter, or when hydrofluoric acid would attack glass. A narrow mouth pours. A wide mouth is for powders and for reaching the bottom. Laboratory ware of this kind is indexed under ISO laboratory glassware. Traceable volume sits with the BIPM and NIST Physical Measurement.
Which category should I open next?
The category is Bottles & containers. The sub-category is Laboratory glass bottles. The catalogue is Labware.
Shelves beside this one are Plastic bottles (narrow & wide mouth), Sample containers & jars, Canisters & jerrycans, Wash bottles and Bottle accessories (pouring rings, dispensers, caps).
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.