Description
Blank stopper PTFE GL14 is a laboratory sealing component for hermetically closing unused connections on Safety Caps and related exhaust-filter ports. Made from chemically resistant polytetrafluoroethylene (PTFE), it helps prevent unwanted escape of liquids or vapours from open threads during solvent handling and chemical storage. The GL 14 thread matches common laboratory safety-cap interfaces, giving a secure mechanical fit on compatible bottle systems. Supplied as one piece, the stopper is intended wherever idle ports must be sealed to maintain a closed fluid path. Its PTFE construction supports broad chemical resistance in demanding laboratory environments. The blank stopper from manufacturer SCAT is universally applicable and can also be combined with products from other manufacturers. Within the range of available thread sizes, the GL 14 version addresses frequent laboratory glassware and safety-cap connections. By sealing unused outlets, it contributes to cleaner, safer workflows in analytical chemistry, sample preparation and solvent management. The component is straightforward to fit and remove when configurations change, supporting flexible setup of Safety Cap systems without leaving open ports exposed.
This article is part of Rubber & silicone stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 1 pc
- Product type: Blank stopper
- Material: Polytetrafluoroethylene (PTFE)
- Thread: GL 14
- Function: Hermetic sealing of unused Safety Cap connections
- Compatibility: Universal use, also with other manufacturers
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Questions about Blind plug, PTFE, GL14
What is this article?
Blind plug, PTFE, GL14 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.