Grinding performance will surprise

Pigment & Resin Technology

ISSN: 0369-9420

Article publication date: 1 October 2004




(2004), "Grinding performance will surprise", Pigment & Resin Technology, Vol. 33 No. 5.



Emerald Group Publishing Limited

Copyright © 2004, Emerald Group Publishing Limited

Grinding performance will surprise

Grinding performance will surprise

Keywords: Grinding, Materials

Compact bench-sized grinding mill reduces samples to small and uniform size very quickly, even when small quantities are used.

The compact Mini-Mill, weighing just 15 kg and 30 cm in size, can be accommodated on the laboratory table and, says Fritsch, surprises every user with its outstanding grinding performance.

In the case of brittle materials, the newly constructed instrument for the fine grinding of very small quantities already reaches a fineness of d50 10-15 μm or d90 25-30 μm in 2-3 min.

The grinding bowls are available in the materials agate, zirconium oxide, stainless and tempered steel with a volume of 10 or 15 ml and suitable for maximum sample quantities of 2 ml or 5 ml, respectively. The ideal feed quantity for the 10 ml grinding bowl is 0.2-1 ml sample. This also corresponds to the shortest grinding time.

The regulated, vertical oscillations with an adjustable oscillation frequency of 15 to 50 Hz allows very good adaptation to the grinding behaviour of the sample, whereby the large oscillation amplitude of 9 mm leads to high ball acceleration.

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