Beschreibung
Rubber sleeve 26 mm is a compact laboratory sealing accessory intended for use with 8 ml filter crucibles. Featuring an outer diameter of 26 mm, the sleeve establishes a secure interface between the filter crucible and the receiving vessel during vacuum filtration. It enables reliable vacuum-tight connections required for small-scale solid-liquid separations, precipitate collection and analytical sample work-up. Supplied as one piece with a net weight of 0,003 kg, the sleeve is suited to micro- and semi-micro filtration tasks commonly performed in chemical, pharmaceutical and materials laboratories. Flexible rubber construction adapts to typical crucible and flask geometries, allowing straightforward mounting and removal without specialised tools. From manufacturer Witeg, this Gummimanschette supports filtration assemblies that employ small filter crucibles rather than conventional Büchner funnels. Its 26 mm dimension matches the geometry of 8 ml filter crucibles, helping maintain consistent sealing performance throughout successive vacuum filtration runs. Laboratories engaged in precise gravimetric analysis, residue determination or limited-sample preparations benefit from this dedicated Nutschenmanschette for compact glassware setups.
This article is part of Crucibles, in Dishes, crucibles & porcelain.
Key features
- Pack size: 1 pc
- Outer diameter: 26 mm
- Suitable for: 8 ml filter crucibles
- Product type: Rubber sleeve
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Questions about Rubber sleeve for crucibles, 8 ml o.d.
What is this article?
Rubber sleeve for crucibles, 8 ml o.d. is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Crucibles, inside Dishes, crucibles & porcelain, in Laborbedarf.
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 Laborbedarf.
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.