Retsch Mixer Mill MM 500


The MM 500 – Best in class for sample mixing and pulverization

The Mixer Mill MM 500 is a versatile bench-top unit which has been developed specially for high sample throughput in dry, wet and cryogenic grinding of small sample amounts. This powerful mill mixes and pulverizes powders and suspensions efficiently and quickly down to the nanometer range in shortest time.

Benefits at a Glance

  • Powerful grinding with up to 35 Hz
  • Grinding jar volumes 50 ml, 80 ml, 125 ml, pressure-tight up to 5 bar
  • New jar design allows full use of volume, also for wet grinding
  • Three different grinding modes (dry, wet or cryogenic)
  • Memory for 12 SOPs and 4 program cycles
  • Can be controlled via the optional RETSCH App

The robust high-performance drive makes the MM 500 suitable for applications like mechanical alloying and mechanochemistry.

The user-friendly clamping system facilitates safe operation. For periodic sample extraction, the jars remain conveniently clamped.


  • Mechanochemistry
  • Mechanical alloying
  • Size reduction
  • Mixing
  • Homogenization
  • Cell disruption
  • Cryogenic grinding

Fields of application

Agriculture, biology, chemistry / plastics, construction materials, engineering / electronics, environment / recycling, food, geology / metallurgy, glass / ceramics, medicine / pharmaceuticals, material science.

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Performance Data

Size reduction principle:  Impact, friction

Material feed size*: ≤ 10 mm

Final fineness*: ~ 0.1 µm

Batch size / feed quantity*: Max. 2 x 45 ml

No. of grinding stations: Max. 2

Setting of vibrational frequency: Digital, 3 – 35 Hz (180 – 2100 min-I)

Grinding modes: Dry, wet, cryogenic

Grinding under inert gas: Yes

Grinding down to nanometer range: Yes

Material of grinding tools: hardened steel, stainless steel, tungsten carbide, zirconium oxide

Grinding jar sizes: 50 ml / 80 ml / 125 ml

Grinding time: 5 s — 99 h, digital setting

Storable SOPs: 12

No. of storable program cycles: 4 (with 99 repeats)

Control via RETSCH App: Optional

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