Description
Silicone stopper 55–47 mm Ø, 40 mm h is a tapered laboratory sealing component produced from silicone. It features an upper diameter of 55 mm that reduces to 47 mm at the base, together with a height of 40 mm suited to secure placement in matching container necks. The resilient silicone material creates a practical seal for flasks, bottles and other laboratory vessels employed in routine chemical and analytical procedures. Available as one piece, this stopper from manufacturer Hecht integrates into the familiar series of silicone norm stoppers intended for temporary or intermediate closure duties. Its tapered geometry permits smooth insertion and extraction while keeping continuous contact with the vessel opening. Laboratories choose these stoppers when a flexible, dimensionally defined plug is needed for sample management, reagent storage or basic reaction setups. The 40 mm height affords enough engagement length for steady positioning during mixing, transfer or brief holding operations. Precise 55–47 mm taper dimensions promote compatibility with standard glassware openings used in research and quality-control laboratories.
This article is part of Rubber & silicone stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 1 pc(s)
- Material: Silicone
- Upper diameter: 55 mm
- Lower diameter: 47 mm
- Height: 40 mm
- Design: Tapered stopper
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Questions about Silicone stoppers mm 55 - 47 Ø 40 h
What is this article?
Silicone stoppers mm 55 - 47 Ø 40 h is the article on this page. Luminix Health distributes Hecht for laboratory use. It sits in Rubber & silicone stoppers, inside Stoppers, caps & closures, in Labware.
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 Labware.
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.