Description
Filter plate Ø 90 mm P4 is a laboratory filter plate featuring a diameter of 90 mm and porosity grade P4. It is designed for filtration applications in scientific, analytical and quality-control laboratories where a defined glass filter element is required for particle separation and sample preparation. Supplied as 1 pc, the plate has a net weight of 0,081 kg and a matching gross weight of 0,081 kg. The product originates from Germany, specifically the Baden-Württemberg region, and is manufactured by Witeg within the filter-plates category. Its 90 mm diameter ensures compatibility with standard laboratory filtration assemblies, while porosity P4 provides a finer pore classification suited to more demanding retention requirements. The compact format and low mass facilitate easy handling and integration into existing glassware systems. This filter plate offers laboratories a clearly specified component for routine and specialised filtration workflows that depend on consistent dimensions and porosity grades.
This article is part of Sintered glass filter plates & discs, in Filtration.
Key features
- Pack size: 1 pc
- Diameter: 90 mm
- Porosity: P4
- Country of origin: Germany
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Questions about Sintered disc Ø:90mm P4
What is this article?
Sintered disc Ø:90mm P4 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Sintered glass filter plates & discs, inside Filtration, in Consommables.
A sintered glass filter is a disc of fused glass particles with a porosity grade, often 0 to 5, from coarse to fine. It is cleaned and reused. The porosity number, not a micrometre guess, is the specification. Hydrofluoric acid and strong alkali attack the glass.
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 Sintered glass filter plates & discs. The catalogue is Consommables.
Shelves beside this one are Filter paper, 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.
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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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.