Description
Blank stoppers, PTFE, UNF 5/16'' provide a reliable way to seal unused ports on Safety Caps and related laboratory fluid-handling systems. Manufactured from chemically resistant polytetrafluoroethylene, these stoppers close open connections hermetically and help prevent unwanted escape of liquids or vapours during solvent handling, waste collection or HPLC mobile-phase work. With an outer diameter of 4,76 mm they fit the specified UNF 5/16'' thread and integrate easily into existing setups. The inert PTFE material withstands a broad range of aggressive chemicals, supporting long-term use in analytical and preparative environments. Because the stoppers are universally applicable, they can also be combined with compatible components from other manufacturers when temporary or permanent blanking of ports is required. Supplied as a convenient pack of 5 pieces from manufacturer SCAT, they offer a simple, low-maintenance solution for maintaining closed systems, improving laboratory safety and reducing evaporation or contamination risks at unused fittings. Ideal for chromatography, solvent safety and general fluid-management applications that demand dependable chemical resistance and a tight seal.
This article is part of Rubber & silicone stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 5 pc(s)
- Product type: Blank stoppers
- Material: Polytetrafluoroethylene (PTFE)
- Thread: UNF 5/16''
- Outer diameter: 4,76 mm
- Function: Hermetic sealing of unused ports
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Questions about Blind plug, PTFE, UNF5/16'',VE5
What is this article?
Blind plug, PTFE, UNF5/16'',VE5 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.