Description
Screw cap PP natural GL 32 is a laboratory bottle closure made from polypropylene for secure sealing of vessels with a GL 32 thread. The natural-coloured PP body offers a practical, chemically resistant finish for everyday laboratory bottle handling and sample storage. According to the manufacturer data, the cap is autoclavable up to a maximum of 121 °C; before autoclaving, the closure must be unscrewed and placed on the bottle rather than left tightly fastened. Supplied as a single piece, this screw cap from manufacturer lab-o-plastix is intended for routine use on matching GL 32 laboratory bottles. Polypropylene provides a durable, reusable sealing option for reagents, media and other laboratory liquids under standard working conditions. The natural colour supports straightforward visual checks of the seal area during preparation and storage. Suitable for general laboratory workflows that require a reliable polypropylene screw closure on GL-threaded glassware, it complements standard bottle systems used in research, quality control and teaching laboratories.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 1 pc
- Product type: Screw cap
- Material: Polypropylene (PP)
- Colour: Natural
- Thread: GL 32
- Autoclavable: up to max. 121 °C
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Questions about Screw cap, PP, natural, GL 32
What is this article?
Screw cap, PP, natural, GL 32 is the article on this page. Luminix Health distributes lab-o-plastix 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.

