Beschrijving
Rubber sleeve Ø 26 mm is a laboratory sealing gasket designed to create a tight connection between 8 ml filter crucibles and 27 mm filter adapters. This rubber sleeve from manufacturer ROBU - Stereon ensures reliable vacuum integrity during filtration of small sample volumes. Supplied in packs of 5 pieces, it serves as a dedicated Nutschen seal for gravimetric analysis and solid-liquid separation work. The 26 mm diameter matches standard 8 ml filter crucibles, while the corresponding adapter side accommodates 27 mm filtration stems. Flexible rubber construction allows easy fitting and removal yet maintains a secure seal under vacuum conditions typical of analytical filtration assemblies. Laboratories performing quantitative work with small crucibles benefit from this precisely dimensioned accessory that prevents air leakage between crucible and adapter. The sleeve supports efficient filtration workflows in chemical, pharmaceutical and materials laboratories where 8 ml filter crucibles are routinely employed. Its simple design integrates directly into existing filtration setups without additional modification, providing a practical consumable for repeated use in vacuum filtration procedures.
This article belongs on Crucibles, in Dishes, crucibles & porcelain.
Key features
- Pack size: 5 pc(s)
- Product type: Rubber sleeve
- Diameter: 26 mm
- For filter crucible: 8 ml
- Adapter diameter: 27 mm
- Function: Sealing gasket
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Questions about Rubber sleeve, Ø 26 mm, for Crucible 8 ml
What is this article?
Rubber sleeve, Ø 26 mm, for Crucible 8 ml is the article on this page. Luminix Health distributes ROBU - Stereon for laboratory use. It sits in Crucibles, inside Dishes, crucibles & porcelain, in Labmateriaal.
A crucible holds a sample in a furnace or over a flame, at temperatures that would soften a borosilicate beaker. Porcelain, platinum and glazed ceramic are different articles. The form, tall or wide, decides how fast a sample dries or ashes.
A dish is an open vessel for drying, evaporating or holding a solid. Porcelain and glazed ceramic take a higher temperature than borosilicate glass, which is why a crucible, not a beaker, goes into a furnace. A watch glass covers, or holds a small amount for drying. A mortar is for grinding. The temperature and the chemical, not the shape alone, choose the material. Laboratory ware of this family is listed under ISO laboratory ware.
Which category should I open next?
The category is Dishes, crucibles & porcelain. The sub-category is Crucibles. The catalogue is Labmateriaal.
Shelves beside this one are Trays, bowls & tubs, Mortars & pestles, Watch glasses & crystallising dishes, Evaporating dishes and Dishes (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.