Description
Folded filter MN 621 1/4, 27 cm is a laboratory pleated filter paper intended for routine filtration work where a ready-to-use folded format is preferred. The filter is supplied in the MN 621 1/4 grade and presents a working diameter of 27 cm (270 mm), giving a generous surface for gravity filtration of larger sample volumes. Each pack contains 100 pieces, supporting continuous bench use without frequent reordering. The pre-folded construction opens quickly into a cone that seats cleanly in a funnel, helping maintain an even filter bed and steady flow during clarification or solids separation. Offered by manufacturer Macherey-Nagel, this format suits general analytical and preparative workflows in chemistry, quality control, and teaching laboratories. Net weight of the pack is 0,96 kg. The non-sterile filters are intended for standard laboratory filtration rather than aseptic processes. Consistent diameter and pack count simplify method documentation and inventory control across multiple workstations handling aqueous or organic filtrates under ordinary laboratory conditions.
This article is part of Filter paper, in Filtration.
Key features
- Pack size: 100 pc(s)
- Product type: Folded filter paper
- Grade: MN 621 1/4
- Diameter: 270 mm
- EAN: 4046681015298
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Questions about Folded Filter Papers MN 621 1/4, 27 cm
What is this article?
Folded Filter Papers MN 621 1/4, 27 cm is the article on this page. Luminix Health distributes Macherey-Nagel for laboratory use. It sits in Filter paper, inside Filtration, in Lab consumables.
Filter paper is a cellulose sheet of a stated retention and speed. Qualitative paper clarifies. Quantitative, ashless paper is for a precipitate that will be weighed or ashed, because the paper itself leaves almost no ash. The diameter has to match the funnel.
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 Filter paper. The catalogue is Lab consumables.
Shelves beside this one are Sintered glass filter plates & discs, Syringe filters, Filter cartridges & capsules, Membrane filters, Glass & quartz fibre filters, Bottle-top & vacuum filtration units, Ultrafiltration & concentrators, Filtration accessories, 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.
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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.