The ultra-compact FRITSCH mini-mill is ideal for the fine grinding of very small quantities of medium-hard, brittle, or moist samples—whether wet, dry, or cryogenic. Its unique spherical grinding bowl delivers significantly better performance in grinding, mixing, and homogenization compared to similar models. Measuring just 20 x 30 cm and weighing 7 kg, it fits easily into any workspace; it is intelligent, user-friendly, affordable, and delivers impressive results—compact, fast, and efficient.
The P-23 mini-mill is available in two versions: a vibratory mill for standard use and a version designed for use inside a glove box, enabling operation in a controlled atmosphere.
Technical Data
Operating principle: Impact force
Ideally suited for: Medium-hard, brittle, and moist materials
Grinding tools: Grinding bowls and balls
Grinding tool materials: Zirconium oxide, hardened stainless steel, PTFE
Grinding bowl volumes: 5, 10, 15, 30 ml
Grinding ball diameter: 0.1 – 15 mm
Maximum feed size (material-dependent): 6 mm
Minimum sample quantity: 0.1 ml
Maximum sample quantity: 15 ml
Final fineness (material-dependent): 5 µm
Grinding time (material-dependent): Seconds to minutes
Grinding process: Dry / wet
Cryogenic grinding: Liquid nitrogen can be used to pre-cool the PTFE grinding bowl. Mill bowl oscillations per minute: 900 – 3000 with an amplitude of 9 mm
Electrical specifications: 100–240 V/1~, 50–60 Hz, 70 W
Sound pressure level at the workplace in accordance with DIN EN ISO 3746 (depending on the material being ground and the grinding bowls/balls used): approximately L pAd = 65 dB
Weight: 7 kg
Dimensions (W x D x H): Benchtop instrument 20 x 30 x 30 cm