Ball Mill MM400

The Retsch Ball Mill MM400 is specifically designed for dry and wet grinding. This unit can handle a wide range of hard, medium-hard, soft, brittle, elastic and fibrous materials.

Grinding, mixing, and homogenization are carried out via the rapid shaking motion of the balls inside of jars with oval shaped interiors. This rapid movement against the sample produces quick, efficient, and thorough sample pulverization. The mill accepts approximately 8 mm initial particle size material. Volume range is 2 jars (20 mL maximum) and final particle sizes down to less than 5 µm are possible. 

The motor is rated at 80 Watts. Motor speed is can be set from 180 to 1800 rpm. An integral digital timer allows for 10 second to 99 minute operation. For safety, the motor is protected against overloads. Motor will stop within 1 second of opening of the Plexiglass shield.

Choose from a wide variety of balls and jars listed below. Note: Jar and motors must always be of the same material. Use PTFE resin sets for chemically-aggressive samples.

Cell disruption accessories as well as other jar and ball formulations and sizes are available; please contact your Daigger Sales Representative for pricing and availability.

Key Features

  • Grind samples up to 9 mohs in hardness with 3 different grinding modes (dry, wet or cryogenic)
  • Choose from a wide range of jar and ball materials
  • Extremely short grinding time – ideal for temperature-sensitive samples

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Item Attribute Description Unit of Measure Price Purchase
EF1909BAA
20.745.0001
Retsch® MM400 Ball Mill Each
$10,317.95
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