Description
Cork stopper, 1a quality, low-pore, 23 x 19 x 26 mm is a tapered laboratory stopper manufactured from natural cork. This 1a-quality grade features a deliberately low-pore structure that supports dependable sealing of flasks, bottles and other glassware commonly used in research, analytical and educational settings. The dimensions 23 x 19 x 26 mm provide a classic conical profile that seats securely in standard neck openings while remaining easy to insert and remove. Natural cork offers inherent compressibility and resilience, making the stopper suitable for repeated short-term or medium-term closures where a traditional, non-reactive material is preferred. Available as a single piece from manufacturer Hecht, the stopper integrates smoothly into everyday laboratory workflows that rely on reliable cork closures. Its low-pore surface helps limit liquid or vapour passage and contributes to cleaner handling during sample preparation, storage or simple reaction setups. The item belongs to the established family of standard cork stoppers used across chemical, biological and general laboratory environments that continue to value natural cork for its balance of sealing performance and ease of use.
This article is part of Rubber & silicone stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 1 pc
- Material: Cork
- Quality: 1a
- Pore structure: Low-pore
- Dimensions: 23 x 19 x 26 mm
- Top diameter: 23 mm
Recently viewed
You may also like
Browse related categories
Category
Sub-category
Catalogue
Brand
Questions about Cork stoppers, first-class quality, low-porous Ø mm H 23 x 19 x 26
What is this article?
Cork stoppers, first-class quality, low-porous Ø mm H 23 x 19 x 26 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.