Description
ROTILABO® test sheets made from cotton linters are small circular discs with a diameter of 9 mm for laboratory filtration and separation tasks. Cotton linters provide a cellulose-based paper medium suited to spotting, qualitative checks and compact sample handling where a defined small format is required. These test sheets support routine work in filtration, water purification, dialysis and separation workflows and sit within the broader filter-paper category used across analytical and teaching laboratories. Each pack contains 1000 pc(s), enabling high-throughput use, method development and continuous replenishment without frequent reordering. The uniform 9 mm diameter helps standardise placement on supports, plates or small holders and keeps handling consistent between operators. Offered under the ROTILABO® line from manufacturer Carl ROTH, the sheets are a practical consumable for everyday lab organisation. They are supplied ready for direct use in general laboratory practice where cotton-linter paper discs of this size are specified.
This article is part of Filtration accessories, in Filtration.
Key features
- Pack size: 1000 pc(s)
- Brand: ROTILABO®
- Product type: Test sheets
- Material: Cotton linters
- Diameter: Ø 9 mm
- Application area: Filtration and separation
- UNSPSC: 41104929
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Questions about Test sheets ROTILABO®, cotton linters, Ø 9 mm
What is this article?
Test sheets ROTILABO®, cotton linters, Ø 9 mm is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Filtration accessories, inside Filtration, in Lab consumables.
Filtration accessories are the holders, the gaskets, the manifolds and the flasks a membrane or a Büchner setup needs. A holder for 47 mm discs does not clamp a 25 mm disc. The gasket is what actually seals.
Filtration holds back what is larger than the pores and lets the rest through. Paper is the ordinary laboratory filter. A membrane has a stated pore size and a polymer that must survive the solvent. A syringe filter is that membrane in a housing on a syringe. Glass fibre takes a higher dirt load. Ultrafiltration holds back macromolecules and passes salts. The pore size, the chemical compatibility and the volume are the three choices. Laboratory apparatus around filtration is indexed under ISO laboratory apparatus.
Which category should I open next?
The category is Filtration. The sub-category is Filtration accessories. The catalogue is Lab consumables.
Shelves beside this one are Filter paper, Sintered glass filter plates & discs, Syringe filters, Filter cartridges & capsules, Membrane filters, Glass & quartz fibre filters, Bottle-top & vacuum filtration units, Ultrafiltration & concentrators, Extraction thimbles and Dialysis tubing & devices.
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.

