Description
DURAN® filter plate with glass rim, Ø 90 mm and porosity 3, is a borosilicate glass 3.3 laboratory component engineered for reliable media separation and purification. Filtration ranks among the most important separation techniques in the laboratory and requires filters matched carefully to application by size and porosity. This glass filter plate forms the core of a modular filtration attachment that also comprises receiving vessel, sealing ring and funnel; the complete assembly can be dismantled so that every individual part may be replaced or exchanged, allowing the filter to be adapted precisely to the task. Three apparatus sizes combined with four porosity grades yield twelve distinct filtration configurations. Because a sintered glass filter is used, filter paper or membrane can often be omitted entirely. The glass rim is flamed and the white printed marking is permanently fired into the glass for lasting legibility. Typical applications include qualitative analysis, preparative chemistry and general filtration without paper. The plate is offered by manufacturer Duran/DWK Life Sciences as a single piece with a net weight of 0,06 kg and a gross weight of 0,1 kg, providing a durable, reusable filtration surface for routine laboratory work.
This article is part of Sintered glass filter plates & discs, in Filtration.
Key features
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Questions about DURAN® Filter Disc, fused glass rim
What is this article?
DURAN® Filter Disc, fused glass rim is the article on this page. Luminix Health distributes DWK Life Sciences 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.
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.

