report details for FRITSCH laboratory instruments

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Compost (dried)

Protocol number:

M090084

Industry:

Environment

Feed Size:

60-80 mm

Desired Fineness:

< 0,5 mm

Quantity:

450 G

Recommendation:

Higher amounts can be ground with our Cutting Mill PULVERISETTE 15. Also a Universal Cutting Mill PULVERISETTE 19 can be used for grinding as well. If abrasive materials like stones or sand might be found inside the sample, we recommend using knives made of hardmetal tungsten carbide (only possible with PULVERISETTE 19).

	Cutting Mill PULVERISETTE 15
Equipment:	Cutting tool set made of tool steel + sieve insert 0,5 mm made of stainless steel.
Feed quantity:	450 g
Feed Size:	approx. 6-8 cm
Grinding time:	4,5 min
Final fineness:	< 0,5 mm
Comments:	It is also possible to grind the sample with Cutting tool set made of chromium-free tool steel and sieve insert chromium-free steel ST12 as well. For 450 g of sample, a time of ~ 4,5 minutes has been needed to comminute the sample to < 0,5 mm. Afterwards, only a small amount of sample use to remain loose inside the grinding chamber. Openings of the sieve insert use to remain free of sample, higher amounts of sample can be ground as well. Cleaning can be performed rapidly by vacuuming with a soft brush.