Description
Biplanar VitraPOR® glass filter plate with 70 mm diameter and porosity grade 0 is a precision laboratory filter disc manufactured from borosilicate glass 3.3. It offers a defined thickness of 4,5 mm with a tolerance of ± 0,2 mm, ground faces and a plane-parallel surface that ensure exact dimensional control and uniform contact in filtration assemblies. The biplanar geometry supports stable seating in holders and apparatus where flatness and consistent frit thickness are critical. Porosity 0 provides the coarsest standard pore structure in the series, suited to prefiltration, support layers or coarse clarification steps in analytical and preparative workflows. Chemical resistance characteristic of borosilicate 3.3 allows use with aqueous media and many common laboratory solvents. Supplied as a pack of 5 pieces from manufacturer ROBU - Stereon, these plates deliver reproducible mechanical and filtration behaviour for routine laboratory filtration tasks requiring durable glass frits of controlled porosity and geometry.
This article is part of Sintered glass filter plates & discs, in Filtration.
Key features
- Pack size: 5 pc(s)
- Product type: Biplanar glass filter plate
- Brand: VitraPOR®
- Material: Borosilicate glass 3.3
- Diameter: 70 mm
- Porosity: 0
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Questions about Filter Disc, bi-plane, 70 mm, Por. 0 Thickness 4.5 mm ± 0.2 mm
What is this article?
Filter Disc, bi-plane, 70 mm, Por. 0 Thickness 4.5 mm ± 0.2 mm is the article on this page. Luminix Health distributes ROBU - Stereon for laboratory use. It sits in Sintered glass filter plates & discs, inside Filtration, in Lab consumables.
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 Lab consumables.
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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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.