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T: 514-354-2511
T: 1 800 463-4363
F: 514-354-6948
High Energy Ball Mill from Retsch

High Energy Ball Mill from Retsch

Product Code:Emax

Need more Info? (514) 354-2511 - 1-800-463-4363

The Emax is an entirely new type of ball mill for high energy milling. The unique combination of high friction and impact results in extremely fine particles within the shortest amount of time. The high energy input is a result of an unrivaled speed of 2000 min-1 and the optimized jar design. Thanks to the revolutionary cooling system with water, the high energy input is effectively used for the grinding process without overheating the sample. Due to the special grinding jar geometry, the sample is thoroughly mixed which results in a narrow particle size distribution.

Unlike other high energy ball mills, the Emax is capable of continuous grinding operation without interruptions for cooling down. This dramatically reduces the grinding time. The high energy input in combination with the unique cooling system provides perfect conditions for effective mechanical alloying or grinding down to the nanometer range.

A wealth of safety features such as the integrated safety closure of the grinding jar, temperature control with automatic start/stop system, and integrated imbalance controls make operation of the bench-top mill Emax very user-friendly.

Application Examples
alloys, bones, carbon fibres, catalysts, cellulose, cement clinker, ceramics, chemical products, clay minerals, coal, coke, concrete, fibres, glass, gypsum, iron ore, kaolin, limestone, metal oxides, minerals, ores, paper, pigments, plant materials, polymers, quartz, semi-precious stones, sewage sludge, slag, soils, tea, tobacco, waste samples, wood, ...


Product Advantages
  • Faster and finer grinding than any other ball mills
  • Speed of 2000 min-1 allow for ultra-fast pulverization of the sample
  • Water cooling permits continuous operation without cool down breaks
  • Temperature-controlled grinding
  • Narrow particle size distribution thanks to special jar design which improves mixing of the sample
  • Patented drive concept
  • Easy operation via touch screen, 10 SOPs storable
  • Operation with 2 grinding jars
  • Easy installation of grinding jars
  • Jars with integrated safety closure
  • Range of jar materials allow for contamination free grinding


Applications nano grinding, size reduction, homogenizing, mechanical alloying, colloidal milling, high energy comminution
Field of application agriculture, biology, chemistry / plastics, construction materials, engineering / electronics, environment / recycling, geology / metallurgy, glass / ceramics, medicine / pharmaceuticals
Feed material medium-hard, hard, brittle, fibrous - dry or wet
Size reduction principle impact, friction
Material feed size* < 5 mm
Final fineness* < 80 nm
Batch size / feed quantity* max. 2 x 45 ml
Speed at 50 Hz (60 Hz) 300 - 2000 min-1
Cooling controlled integrated water cooling / option: external chiller
Temperature control yes (min and max temperature may be defined)
No. of grinding stations 2
Type of grinding jars with integrated safety closure devices, optional aeration covers
Material of grinding tools stainless steel, tungsten carbide, zirconium oxide
Grinding jar sizes 50 ml / 125 ml
Setting of grinding time 00:00:01 to 99:59:59
Interval operation yes, with optional direction reversal
Interval time 00:00:01 to 99:59:59
Pause time 00:00:01 to 99:59:59
Storable SOPs 10
Interface USB / LAN ( RJ45)
Drive 3-phase asynchronous motor with frequency converter
Drive power 2600 W
Electrical supply data different voltages
Power connection 1-phase
Protection code IP 30
Power consumption ~ 2600W (VA)
W x H x D closed 625 x 525 x 645 mm
Net weight ~ 120 kg
Standards CE


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