Description
Screw caps PP GL 45 lemon yellow are closed polypropylene closures for laboratory bottles and vessels with a GL 45 thread. The solid, closed design provides a straightforward sealing option for media bottles, reagent containers and other GL 45 glassware used in routine laboratory work. Made from polypropylene, the caps are autoclavable up to 140 °C, supporting steam sterilisation cycles common in microbiology, cell culture support and general lab hygiene protocols. The distinctive lemon-yellow colour helps visual coding of bottle contents, process steps or storage categories on crowded benches and shelves. These screw caps from manufacturer Witeg are supplied in multi-piece packs for convenient stock replenishment of bottle fleets. Compatible with standard GL 45 necks, they suit replacement of worn closures or colour-coded organisation of laboratory bottle sets without changing the underlying glassware. Ideal where a durable, heat-tolerant PP screw closure in a clear identification colour is required.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 10 pc(s)
- Thread: GL 45
- Material: Polypropylene (PP)
- Colour: Lemon yellow
- Design: Closed screw cap
- Autoclavable: up to 140 °C
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Questions about Screw caps PP GL 45 lemon yellow
What is this article?
Screw caps PP GL 45 lemon yellow 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.