Beschrijving
Grinding ball 20 mm agate is a milling medium intended for laboratory ball mills processing soft to medium-hard sample materials. The ball is manufactured from agate (SiO2), a material noted for good abrasion resistance and low contamination risk when grinding mineral, geological or other inorganic specimens. With a diameter of 20 mm and a net weight of 0,0110 kg, it is sized for common grinding bowls. Manufacturer guidance indicates recommended loadings of 25 balls in a 500 ml bowl (useful sample volume 80–225 ml), 15 balls in a 250 ml bowl (30–125 ml) and 5 balls in an 80 ml bowl (10–30 ml). This grinding ball from manufacturer Fritsch supports reproducible comminution workflows in planetary and similar laboratory mills where agate media are preferred for moderate hardness samples. Supplied as a single piece, it can be combined to the bowl-specific counts above to match batch size and maintain efficient grinding action without unnecessary media overload.
This article is part of Mills, grinders & homogenisers, in Test sieves & mills.
Key features
- Pack size: 1 pc
- Material: agate (SiO2)
- Diameter: 20 mm
- Abrasion resistance: good
- Technical Information Sheet:
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Questions about grinding ball 20 mm agate
What is this article?
grinding ball 20 mm agate is the article on this page. Luminix Health distributes Fritsch for laboratory use. It sits in Mills, grinders & homogenisers, inside Test sieves & mills, in Instrumenten.
A mill, grinder or homogeniser reduces particle size or breaks a tissue before an extraction. The rotor and the sieve insert decide the result. A knife mill and a bead mill are different machines. The sample has to tolerate the heat the motor puts into it.
A test sieve sorts particles by whether they pass an opening. Wire mesh and perforated plate are two ways of making that opening, and the nominal size is not a suggestion. A sieve shaker repeats the motion so the result does not depend on how hard someone shook by hand. A mill or grinder makes the particles smaller before they are sieved. The certificate of the sieve, and the opening size, are what an audit asks for. Measurement practice around mass and dimension sits with the BIPM, EURAMET and BELAC.
Which category should I open next?
The category is Test sieves & mills. The sub-category is Mills, grinders & homogenisers. The catalogue is Instrumenten.
Shelves beside this one are Test sieves (wire mesh), Test sieves (perforated plate), Sieve shakers and Sieve accessories (lids, pans, rings).
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.