Description
Standard filter paper, folded, 250 mm is a laboratory filtration medium with a basis weight of 73 g/m², supplied pre-folded for direct placement in conical funnels. The medium grade is suited to routine qualitative filtration where balanced particle retention and flow behaviour are needed for everyday solid–liquid separation. At 250 mm diameter, the sheets match larger funnel formats used in preparative work, sample clarification and general laboratory practice. Packs contain 100 pc(s), providing a convenient quantity for regular bench use and inventory planning. The folded design helps the paper open and seat evenly, saving preparation time versus hand-folding flat discs. This Standard series product from manufacturer filtraTECH addresses common filtration needs in research, quality-control and teaching environments without requiring specialised membrane grades. A consistent 73 g/m² basis weight supports uniform handling across the pack. The medium character makes the paper appropriate when neither very fast nor highly retentive grades are specified, offering a practical option for standard laboratory filtration workflows.
This article is part of Filter paper, in Filtration.
Key features
- Pack size: 100 pc(s)
- Product type: Standard filter paper
- Form: Folded
- Diameter: 250 mm
- Basis weight: 73 g/m²
- Grade: Medium
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Questions about Folded filter paper for general use, 250 mm
What is this article?
Folded filter paper for general use, 250 mm is the article on this page. Luminix Health distributes filtraTECH 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.
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.