Description
Blank stoppers in PTFE with UNF 5/16'' thread are designed to hermetically seal unused connections on Safety Caps and stop unintended release of liquids or vapours. Each stopper has an outer diameter of 4,76 mm and is manufactured from chemically resistant PTFE plastic, giving excellent inertness toward a wide range of laboratory solvents and reagents. The pack contains 10 pieces and is suitable for routine blanking of idle ports in HPLC, chromatography and general fluid-handling systems. Available from manufacturer SCAT, these blank stoppers are universally usable and remain compatible with Safety Cap assemblies from other producers. Different thread sizes in the same product family allow precise matching to existing laboratory hardware. By closing off spare ports, they help keep solvent paths closed and clean, supporting safe and reliable operation wherever chemical resistance and a secure seal are required.
This article is part of Rubber & silicone stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 10 pc(s)
- Material: PTFE
- Thread: UNF 5/16''
- Outer diameter: 4,76 mm
- Compatibility: Universal, multi-manufacturer
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Questions about Blind plug, PTFE, UNF5/16'',VE10
What is this article?
Blind plug, PTFE, UNF5/16'',VE10 is the article on this page. Luminix Health distributes SCAT for laboratory use. It sits in Rubber & silicone stoppers, inside Stoppers, caps & closures, in Matériel de laboratoire.
A rubber or silicone stopper is pushed into a mouth. The size number corresponds to a top and bottom diameter. Silicone survives higher temperatures and more autoclave cycles. Natural rubber is attacked by oils and by some solvents.
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 Rubber & silicone stoppers. The catalogue is Matériel de laboratoire.
Shelves beside this one are Screw caps & closures, 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.

