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MENU - PARTNER AREA

leather bracelet (black)

Protocol number:	M002243
Industry:	Agriculture and forestry, Plastics / textiles
Feed Size:	20 cm
Desired Fineness:	< 2 mm
Quantity:	< 10 g
Recommendation:	Even with coarse sieve cassettes, the sample use to get ground to a spliced up, fine fiber with Universal Cutting Mill PULVERISETTE 19. For a usage of a Variable Speed Rotor Mill PULVERISETTE 14, a manual pre cutting of sample will be required.

Result 1

Result 2

Result 3

	Universal Cutting Mill PULVERISETTE 19 Speed 300-3000 rpm
Equipment:	standard rotor with V-cutting edges and fixed knives made of tool steel + sieve cassette: 2,0 mm trapezoidal perforation
Feed quantity:	7,5 g
Feed Size:	~ 20 cm
Grinding time:	< 15 s
Final fineness:	very fine fibrous (< 2 mm)
Comments:	Sample could be ground without any difficulties. After 15 seconds, grinding sound stopped. Only a small amount of residue use to remain inside the grinding chamber. Cleaning can be performed rapidly by vacuuming with a soft brush. A grinding of higher amounts of sample should be done without any problems. To achieve bigger particles, we will testify sieve cassettes with larger openings (see result 2 & 3).

	Universal Cutting Mill PULVERISETTE 19 Speed 300-3000 rpm
Equipment:	standard rotor with V-cutting edges and fixed knives made of tool steel + sieve cassette: 4 mm square perforation
Feed quantity:	5,5 g
Feed Size:	19 cm
Grinding time:	< 6 s
Final fineness:	coarser, lightly fibrous
Comments:	Also sample which use to be ground with a 4 mm square perforated sieve cassette will become fluffed up. Some pieces show a length of ~ 4 mm, but the majority of ground particles use to be smaller. Even higher amounts can be ground without any problems.

	Universal Cutting Mill PULVERISETTE 19 Speed 300-3000 rpm
Equipment:	standard rotor with V-cutting edges and fixed knives made of tool steel + sieve cassette: 6 mm square perforation
Feed quantity:	7 g
Feed Size:	~ 19 cm
Grinding time:	< 4 s
Final fineness:	rough
Comments:	Also the third sample pieces became fluffed up during grinding. With a 6 mm square perforated sieve cassette. Much coarser sample can be found. With this trial, the most particles of ~ 2 mm might be found.