Home / Instrument Specifications / Pulverisette 23 Mini-Mill
PULVERISETTE 23
Mini-Mill
Working principle | impact force |
Optimal for material type | medium-hard, brittle, moist |
Grinding tools | grinding bowls and grinding balls |
Materials of the grinding tools | zirconium oxide, hardened stainless steel, PTFE |
Grinding bowl sizes | 5, 10, 15 ml |
Grinding ball diameter | 0.1 – 15 mm |
Max. feed size (depends on material) | 6 mm |
Min. sample quantity | 0.1 ml |
Max. sample quantity | 5 ml |
Final fineness (depends on material) | 5 µm |
Grinding time (depends on material) | 2 min |
Grinding process | dry / wet |
Cryogenic grinding | liquid nitrogen can be used for pre-cooling in the PTFE bowl |
Grinding bowl oscillations per minute | 900 – 3,000 at 9 mm amplitude |
Electrical details | 100-240 V/1~, 50-60 Hz, 20 Watt |
Emission sound pressure level at the workplace according to DIN EN ISO 3746 (depending on the material to be ground and grinding bowl/balls used) | approx. LpAd = 75 dB |
Weight | 7 kg |
Dimensions (W x D x H) | bench top instrument 20 x 30 x 30 cm |
Recommended number of balls per grinding bowl | |||
Grinding bowl/ Useful capacity (grinding material) |
15 ml
0.5 – 5 ml |
10 ml
0.2 – 1 ml |
5 ml
0.1 – 1 ml |
Balls diameter | |||
15mm | 2 | 1 | |
10mm | 5 | 3 | 1 |
5mm | 60 | 30 | 20 |
Elemental Analysis |
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General specifications | |
Material | hardened stainless steel – 1.4125 |
ISO/EN/DIN code | X105CrMo17 |
Chemical composition | |
Element | Share % |
Iron – Fe | 81.4 |
Chronium – Cr | 17 |
Carbon – C | 1.1 |
Molybdenum – Mo | 0.5 |
Physical and mechanical properties | |
Density | 7.7 kg/dm³ |
Hardness | ~ 60 HRC |
Elemental Analysis |
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General specifications | |
Material | Zirconium oxide – ZrO₂ |
Chemical composition | |
Element | Share % |
Zirconium oxide – ZrO₂ | 94.2 – 95.2 |
Hafnium oxide – HfO₂ | 1 – 2 |
Magenesium oxide – MgO | 3.5 |
Silicon dioxide – SiO2 | 0.1 |
Aluminum oxide – Al₂O₃ | 0.1 |
Other | 0.1 |
Physical and mechanical Properties | |
Density | 5.7 g/cm³ |
Hardness Vickers | 1200 (HV10) |
Elemental Analysis |
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General specifications | |
Material | PTFE |
CAS number | 9002-84-0 |
Chemical composition | |
Element | Formula |
Polytetrafluoroethylene | C₂F₄ |
Melting Point | 327 °C |
Max. application temp. constant | 260 °C |
Max. application temp. briefly | 300 °C |
Physical and mechanical Properties | |
Density | 2.16 g/cm³ |
Ball Pressure Hardness | ISO 868, ISO 2039-2, D 55 Shore |
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USA Headquarters
FRITSCH Milling and Sizing, Inc.
57 Grant Drive, Suite G
Pittsboro, NC, 27312
Phone: + 1 919 229 0599
Email: info@fritsch-us.com
INSTRUMENT SUPPORT SERVICE
Our technical service team is at your disposal for maintenance, repair, calibration of laboratory instruments and ordering original spare parts.
We are also available worldwide for warranty extensions and all other questions.
Would you like to send your instrument for testing or maintenance to us? Please visit the Service Form page and complete the form for your submission.
US Service Technician Reggie Piard 919-229-0599 x111
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