Description
VitraPOR® biplanar glass filter plate, porosity 3, is a precision-ground disc for laboratory filtration and separation work. Manufactured from borosilicate glass 3.3, it has a diameter of 260 mm and a defined thickness of 18,0 mm with a tolerance of ± 0,5 mm. Both faces are ground to deliver exact thickness and a plane-parallel surface, supporting uniform flow and reliable seating in filter assemblies, apparatus, and custom glass setups. Porosity grade 3 suits medium filtration duties where controlled particle retention and mechanical stability are required. Supplied as a single plate from manufacturer ROBU - Stereon, this VitraPOR® component is intended for integration into laboratory filtration systems, frit-based holders, and process glassware that demand dimensional accuracy and chemical resistance typical of borosilicate 3.3. The biplanar geometry and tightly controlled thickness help maintain consistent contact and sealing against mating surfaces. Ideal for research, quality control, and preparative workflows that specify large-diameter sintered glass filter plates with porosity 3.
This article is part of Sintered glass filter plates & discs, in Filtration.
Key features
- Pack size: 1 pc
- Product type: VitraPOR® biplanar glass filter plate
- Material: Borosilicate glass 3.3
- Diameter: 260 mm
- Porosity: 3
- EAN: 4058072156077
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Questions about Filter Disc, bi-plane, 260 mm, Por. 3 Thickness 18.0 mm ± 0.5 mm
What is this article?
Filter Disc, bi-plane, 260 mm, Por. 3 Thickness 18.0 mm ± 0.5 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 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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