Beschrijving
Screw cap GL 45 blue PP is a closed polypropylene screw cap with GL 45 thread, blue colour and an integrated lip seal. It is autoclavable at 140 °C, making it suitable for laboratory workflows that include steam sterilisation. Designed for bottles and vessels with a matching GL 45 neck finish, the cap provides a secure closed closure for sample storage and handling. Supplied in a pack of 10 pc(s), each unit has a net weight of 0,014 kg. The polypropylene material combined with the lip seal supports reliable sealing of laboratory containers. These screw caps from manufacturer Witeg follow the standardised GL 45 thread geometry used on many media and reagent bottles. The blue finish allows rapid visual identification, while the autoclavable rating at 140 °C extends their usefulness in sterile or semi-sterile laboratory procedures. Lightweight and easy to fit, they add minimal mass to glassware assemblies. Ideal for research, microbiology and analytical laboratories that require a durable GL 45 screw cap with lip seal for everyday bottle sealing and autoclave cycles.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 10 pc(s)
- Product type: Closed screw cap
- Thread: GL 45
- Material: PP
- Colour: blue
- Seal: lip seal
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Questions about Screw cap GL 45 blue PP
What is this article?
Screw cap 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.