Fritsch: New granulators for laboratory preparation of plastics from soft to hard-tough

Growing environmental consciousness and the development of closed cycles of materials place new demands on the preparation of sample material for analysis and testing in the laboratory.

Tried-and-tested instruments are available for coarse and fine comminution of hard and brittle materials, but not for materials that are soft to hard-tough or materials that are more plastic or stringy such as plastics, foils, newspapers, wood, light fractions from shredder waste, household refuse, electronic scrap and other heterogeneous materials.

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Fritsch GmbH Laborgerätebau (www.fritsch.de) has now closed this gap in laboratory preparation technology by combining two cutting mills that handle a broad range of applications:

Power Cutting Mill "pulverisette 25" for precutting soft to hard-tough and fibrous materials and plastics from a feed particle size of approximately 100 mm to a throughput particle size of 4 mm at a quantity rate of up to 85 kg/h.

Universal Cutting Mill "pulverisette 19" for the subsequent fine size reduction of soft to medium-hard samples, fibrous materials and plastics to a final particle size of 0.25 mm. A sample divider installed between the two mills reduces the amount of sample to be fine ground. A cyclone mill ensures speedy material throughput.

Fritsch GmbH Laborgerätebau, Idar-Oberstein