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polycarbonate

Protocol number:	M0098071
Industry:	Plastics / textiles
Feed Size:	5 min
Desired Fineness:	< 0,5 mm
Quantity:	700 g
Recommendation:	A grinding of the desired amount of sample is possible with our Universal Cutting Mill PULVERISETTE 19 in combination with the optional sample exhauster system with cyclone separator.

Result 1

	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 0,5 mm trapzeloidal perforation + sample exhauster system with cyclone separator
Feed quantity:	700 g
Feed Size:	5 min
Grinding time:	15 min
Final fineness:	< 0,5 mm
Comments:	With a max. feed rate (always a properly filled grinding chamber), we ground the complete sample amount within 15 minutes. After grinding, a bit of electrostatic charged sample use to stick lightly to the grinding chamber (rotor, sieve cassette and housing). Cleaning can be performed rapidly by vacuuming with a soft brush. We also observed that the rotor heated up to almost 95 °C during the grinding process. If higher amounts as 700 g should be ground, we recommend to reduce the feed rate. This way, the output speed might be reduced, but a proper airflow inside the grinding chamber will chill sample and grinding parts additionally. To automatize the feeding process, also a Vibratory Feeder LABORETTE 24 can be placed on the housing of the Universal Cutting Mill PULVERISETTE 19 with the feeder channel over the feeding funnel of the cutting mill.