Description
PTFE membrane filters without support are unsupported laboratory membrane discs intended for filtration and separation tasks. Each disc has a pore size of 5,0 µm and a diameter of 25 mm, matching common mid-size filter holders used in sample preparation. The membrane is made of polytetrafluoroethylene and is supplied without a support structure, giving a plain PTFE filter for protocols that specify an unsupported membrane. Packs contain 100 pc(s) and weigh 0,088 kg, a convenient quantity for routine laboratory consumption. These membrane filters from manufacturer MERCK MILLIPORE are positioned for general labware filtration and separation work where a hydrophobic PTFE membrane of defined pore size is required. The 25 mm diameter suits standard syringe-filter housings, in-line holders and small vacuum or pressure filtration assemblies. With the pore size fixed at 5,0 µm, the discs provide consistent geometry for particulate retention and clarification steps. Product attributes are limited to the stated PTFE material, unsupported construction, pore size, diameter and pack presentation.
This article is part of Membrane filters, in Filtration.
Key features
- Pack size: 100 pc(s)
- Membrane material: PTFE
- Support: without support structure
- Pore size: 5,0 µm
- Diameter: Ø 25 mm
- Weight: 0,088 kg
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Questions about PTFE-membrane filters without support, structure, Ø 25 mm, pore size 5.0 µm
What is this article?
PTFE-membrane filters without support, structure, Ø 25 mm, pore size 5.0 µm is the article on this page. Luminix Health distributes MERCK MILLIPORE for laboratory use. It sits in Membrane filters, inside Filtration, in Lab consumables.
A membrane filter is the disc itself, without a syringe housing. Pore size, polymer and diameter are the specification, and the disc has to sit in a holder. Gridded membranes are for counting colonies. A membrane and a filter paper of the same diameter are not interchangeable.
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 Membrane filters. The catalogue is Lab consumables.
Shelves beside this one are Filter paper, Sintered glass filter plates & discs, Syringe filters, Filter cartridges & capsules, 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?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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.