Description
PTFE membrane filter discs hydrophobic 142 mm, 0,22 µm are unsupported polytetrafluoroethylene membrane discs intended for larger-scale laboratory filtration. Measuring 142 mm in diameter with a 0,22 µm pore size, these hydrophobic filters suit solvent clarification, gas filtration, venting and sample work where aqueous wetting is undesirable. The plain PTFE membrane without support structure offers wide chemical compatibility and low extractables for consistent performance in analytical and preparative settings. Supplied in packs of 50 pieces from manufacturer Berrytec, the discs are compatible with standard large-format laboratory filter holders used in research and quality-control laboratories. Hydrophobic behaviour prevents wetting by water and aqueous buffers while allowing organic solvents and gases to pass, which is advantageous for aggressive media and moisture-sensitive processes. Net pack weight is 0,16 kg. These membrane filter discs deliver a chemically inert filtration medium without backing layers that could add extractables or change retention characteristics in routine laboratory applications.
This article is part of Membrane filters, in Filtration.
Key features
- Pack size: 50 pc(s)
- Material: PTFE
- Surface property: Hydrophobic
- Diameter: 142 mm
- Pore size: 0,22 µm
- Support structure: None
- Technical Information Sheet:
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Questions about PTFE hydrophobic membrane disc filter 142mm, 0,22µm
What is this article?
PTFE hydrophobic membrane disc filter 142mm, 0,22µm is the article on this page. Luminix Health distributes Berrytec 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?
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.