Description
Tamper-evident closure PP GL45 for square bottle is a polypropylene screw closure with GL 45 thread, intended for square laboratory bottles of 1000 ml and 2500 ml capacity. The design provides a clear visual indication that a container has been opened, supporting sample integrity, reagent security, and controlled access in chemical storage and laboratory workflows. Made from PP, the closure combines light weight with practical chemical resistance for many routine lab applications and mates securely with matching GL 45 bottle necks. Each unit has a net weight of 0,017 kg and is supplied in a pack of 10 pieces, making it convenient for stocking bottle systems and replacement sets. These tamper-evident closures from manufacturer Witeg suit square reagent bottles used for solvents, buffers, and general laboratory chemicals where an original seal status must remain evident until first opening. The GL 45 interface aligns with common laboratory bottle standards, simplifying integration into existing glassware fleets. Suitable for research, quality control, and production laboratories that require reliable, easy-to-apply sealing accessories for square bottles.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 10 pc(s)
- Material: PP
- Thread: GL 45
- Compatible bottles: Square bottles 1000 ml and 2500 ml
- Type: Tamper-evident closure
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Questions about Tamper-proof cap PP for square bottle 1
What is this article?
Tamper-proof cap PP for square bottle 1 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Screw caps & closures, inside Stoppers, caps & closures, in Labware.
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 Labware.
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.