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Sieve cassettes determine the fineness of a sample.
Sieve cassettes with trapezoidal perforation and square perforations are offered. Sieve inserts with trapezoidal perforations improve size reduction through extra shearing action. Sieve cassettes with square perforation are recommended for the size reduction of brittle materials and materials with medium fineness with a narrow grain width band.

The sieve cassettes made of chromium-free steel ST12 are especially recommended for the sample preparation according to RoHS and WEEE (for the proof of hexavalent chromium) and for the XRF analysis. For all other applications sieve cassettes made stainless steel can be used since these are harder and therefore more resilient against abrasion.

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