Description
Sieve ring round hole 4 mm P-14 cl stainless steel electropolished is a precision grinding accessory that determines the final fineness of the processed sample in rotor mills. Round-hole sieve rings are specifically recommended for the comminution of brittle materials and materials of medium fineness that require a narrow particle-size distribution. The electropolished stainless-steel construction provides a smooth, corrosion-resistant surface that minimises sample adhesion and facilitates cleaning between runs. This P-14 cl model with 4 mm round perforations belongs to the range of sieve rings offered by manufacturer Fritsch for impact rotor mills. Supplied as a single piece with a net weight of 0,0500 kg, the ring is manufactured in Germany and integrates directly into the mill chamber. By selecting the appropriate hole geometry, laboratories can achieve reproducible particle-size reduction while benefiting from the additional shear action characteristic of well-designed sieve rings. The component is intended for routine sample preparation in analytical and materials-testing laboratories that demand consistent end-fineness control.
This article is part of Test sieves (perforated plate), in Test sieves & mills.
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Questions about sieve ring P-14 4 mm round perforation
What is this article?
sieve ring P-14 4 mm round perforation is the article on this page. Luminix Health distributes Fritsch for laboratory use. It sits in Test sieves (perforated plate), inside Test sieves & mills, in Instruments de précision.
A perforated-plate sieve sorts particles through punched holes rather than a woven mesh. It is used for coarser cuts, where a wire would be too fragile. The hole size and the frame still have to be the stated ones.
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 Test sieves (perforated plate). The catalogue is Instruments de précision.
Shelves beside this one are Test sieves (wire mesh), Mills, grinders & homogenisers, 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.

