Beschrijving
Cover glasses for microscopy 25 mm Ø, No. 1 are precision circular cover slips manufactured from chemically resistant borosilicate glass D 263® M of the first hydrolytic class. These cover glasses are intended for microscopy applications in accordance with EU Regulation 2017/746 for in-vitro diagnostics (IVDR). Each piece carries the CE mark and a batch number, supporting comprehensive product information and full traceability in the laboratory. Packaging comprises 100 pieces per flip-top box and 1,000 pieces per carton, offering a practical unit size for routine workflows. The borosilicate glass 3.3 material provides the chemical resistance required for specimen covering and optical examination. Available from manufacturer Marienfeld, the cover glasses combine optical clarity with hydrolytic stability for reliable wet mounts and permanent preparations. With a diameter of 25 mm and thickness grade No. 1 they suit standard light-microscopy setups. A bulk packaging option of 75,000 pieces is also available for high-volume users requiring larger quantities of consistent quality cover slips.
This article is part of Microscope slides & cover glasses, in Microscopy & histology.
Key features
- Pack size: 1000 pc(s)
- Diameter: 25 mm
- Thickness grade: No. 1
- Material: Borosilicate glass D 263® M
- Hydrolytic class: First hydrolytic class
- EAN: 4250317300751
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Questions about Microscope cover glasses 25 mm Ø, No. 1,
What is this article?
Microscope cover glasses 25 mm Ø, No. 1, is the article on this page. Luminix Health distributes Marienfeld for laboratory use. It sits in Objectglaasjes & dekglaasjes, inside Microscopie & histologie, in Instrumenten.
A slide is the glass a specimen sits on. A cover glass is the thin sheet over it, of a thickness the objective was designed for. A cover glass of the wrong thickness softens the image. Charged and plain slides hold sections differently.
A light microscope forms an image with glass lenses and transmitted or reflected light. A stereo microscope is the lower-magnification instrument for dissecting and for looking at a surface. Fluorescence needs a light source and filters matched to the dye. Histology is the preparation that makes a tissue readable: fixation, a cassette, a section, a stain. The objective's magnification and numerical aperture decide the resolution. The slide and the cover glass decide whether the section sits in the focal plane. Stains and dyes as substances are identified on PubChem. Papers on the methods are on PubMed.
Which category should I open next?
The category is Microscopie & histologie. The sub-category is Objectglaasjes & dekglaasjes. The catalogue is Instrumenten.
Shelves beside this one are Microscoopobjectieven, oculairs & optiek, Histologiecassettes & mallen, Telkamers & hemocytometers, Stereomicroscopen, Licht- & fluorescentiemicroscopen, Histologiereagentia & verbruiksartikelen, Microscopieaccessoires, Koudlichtbronnen & verlichting and Digitale & USB-microscopen.
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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.
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.


