Description
VitraPOR® filter plate, biplanar, 180 mm, porosity 1, is a sintered glass disc in borosilicate 3.3 for laboratory and process filtration assemblies. The plate has a diameter of 180 mm and a defined thickness of 9,5 mm with a tolerance of ± 0,5 mm. Both faces are ground to an exact thickness and a plane-parallel surface, supporting even seating and reliable mounting in filter holders or custom glassware. Porosity grade 1 is intended for coarser filtration steps where controlled retention and adequate throughput are needed. Offered as a single piece from manufacturer ROBU - Stereon, this VitraPOR® glass filter plate suits integration into Büchner-style setups, multi-stage filter trains, and reusable filtration elements. Borosilicate 3.3 provides the chemical and thermal behaviour expected of laboratory glass frits when handling typical aqueous and many organic media. The biplanar geometry and ground surfaces help maintain dimensional consistency across the disc, which is useful when building or refurbishing filtration apparatus in research, quality control, and production laboratories that require standardised sintered-glass filter media.
This article is part of Sintered glass filter plates & discs, in Filtration.
Key features
- Pack size: 1 pc
- Product type: VitraPOR® glass filter plate, biplanar
- Material: Borosilicate 3.3
- Diameter: 180 mm
- Porosity: 1
- Thickness: 9,5 mm ± 0,5 mm
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Questions about Filter Disc, bi-plane, 180 mm, Por. 1 Thickness 9.5 mm ± 0.5 mm
What is this article?
Filter Disc, bi-plane, 180 mm, Por. 1 Thickness 9.5 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 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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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.