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  • 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.

    Application Examples

    Alloys, Bones, Carbon Fibers, Catalysts, Cellulose, Cement Clinker, Ceramics, Chemical Products, Clay Minerals, Coal, Coke, Concrete, Fibers, Glass, Alloys, Cellulose…

    Product Advantages

    • Faster and finer grinding than any other ball mill
    • 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

    Function Principle

    The novel size reduction mechanism of the Emax unites the advantages of different mill types: high-frequency impact (mixer mill), intensive friction (vibratory disc mill) and controlled circular jar movements (planetary ball mill) allow for unrivaled grinding performance. This unique combination is generated by the oval shape and the movement of the grinding jars. The grinding jar supports are mounted on two discs respectively which turn in the same direction. As a result, the jars move on a circular course without changing their orientation.

    The interplay of jar geometry and movement causes strong friction between grinding balls, sample material and jar walls as well as a rapid acceleration which lets the balls impact with great force on the sample at the rounded ends of the jars. This significantly improves the mixing of the particles resulting in smaller grind sizes and a narrower particle size distribution than has been possible to achieve in ball mills so far.

    Applications: Nano Grinding, Size Reduction, Homogenizing, Mechanical Alloying, Colloidal Milling, High Energy Comminution
    Field of Application: Agriculture, Biology, Chemistry, 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
    Material of Grinding Tools: Stainless Steel, Tungsten Carbide, Zirconium Oxide
    Grinding Jar Sizes: 50 ml / 125 ml
    Setting of Grinding Time: 00:01:00 to 99:59:59
    Interval Operation: Yes, with optional direction reversal
    Interval Time: 00:01:00 to 99:59:59
    Pause Time: 00:01:00 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: ~ 3100W
    PW x H x D Closed: 625 x 525 x 645 mm
    Net Weight: ~ 120 kg
    Standards: CE

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    The French pressure cell press, or French press, is an apparatus used in  biological experimentation to disrupt the plasma membrane of cells by passing them through a narrow valve under high pressure.

    The French Press can also be used for disintegration of chloroplasts, homogenates of animal tissue, and other biological particles. It is capable of disrupting cell walls while leaving the cell nucleus undisturbed. The press uses an external hydraulic pump to drive a piston within a larger cylinder that contains the liquid sample. The highly pressurized sample is then squeezed past a needle valve. As the sample passes through the valve, the fluid experiences shear stress and decompression, causing cellular disruption.

    A French press is commonly used to break the resilient plasma membrane and cell walls of bacteria and other microorganisms for isolation of proteins and other cellular components. The disruption of cells in a French press generates ‘inside-out’ membrane vesicles which are required for many in vitro biochemical assays.

    • The FRENCH PRESS G-M™ matches the performance of traditional FRENCH PRESSES.
    • Old style Standard PRESSURE CELLS (40 kpsi; 35ml) can be used. Sold separately.
    • Highest pressure hydraulic press commercially available to disrupt the toughest cells.
    • Internal pressures generated within the Standard PRESSURE CELL can attain 40,000 psi.
    • Sample volumes to 35ml with Standard PRESSURE CELL; minimal sample loss.
    • Highly Polished Mirror Finish Stainless Steel Housing: 150 grit electro polished for sanitary applications and for ease of cleaning
    • Large easy to read 6” Hydraulic Pressure Gauge. Mounted prominently on front. Preferred over a tiny digital display.
    • Pressure limits clearly marked on Pressure Gauge.
    • Pressure Regulator Valve offers good control, easy to operate.
    • Ratio Selector Switch is non-mechanical, twin solenoids for long life.
    • Forced air inter-cooler for hydraulic fluid to maintain proper fluid viscosity.
    • Tables for Hydraulic Pressure Gauge reading conversion to Inner
    • PRESSURE CELL pressure conveniently located on front panel.
    • All individual electrical components are UL approved.

    • Automatic Internal Safety Stop prevents Piston from contacting bottom of PRESSURE CELL.
    • Automatic hydraulic pressure release when in full down stop position.
    • Timer will shutdown motor if inadvertently left running (later versions).
    • Prominent E-Stop for added safety.
    • Easy access T-handle holder to secure top of Piston.
    • High, non-skid feet for ease of cleaning underneath.
    • Secure metal ring on platen to hold PRESSURE CELL at bottom in vertical position.
    • Hold-down plate across top to secure PRESSURE CELL in place with two easy-turn nuts.
    • Low sound levels.
    • No pinch points.
    • No hot surfaces.

    RENTAL PROGRAM for FRENCH PRESS G-M™

    It is our pleasure to present this Offer for Rental of the FRENCH PRESS G-M™ (or older FRENCH PRESS versions) and for the Purchase of the Standard PRESSURE CELL (40 kpsi; 35ml).

    The renting allows for extensive testing to prove suitability of this technology before purchase. Additionally, the program allows for completing short term projects without major capital expenditures. Offer is for US and Canada locations. Limited numbers of units are available.

    Rental periods are one month minimum, no time limits. The PRESSURE CELL is not returnable. [/fusion_tab

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    The knife mill GRINDOMIX GM 200 is the ideal instrument for grinding and homogenizing foods and feeds. It allows to process sample volumes up to 0.7 liters quickly and reproducibly.

    With two sharp, robust blades and a powerful 1000 W motor, it is ideal for homogenizing substances with a high water, oil or fat content as well as for grinding dry, soft and medium-hard products. A wide selection of lids and containers allows for adaptation of the mill to individual application requirements. The GRINDOMIX GM 200 meets and exceeds all special laboratory and analytical requirements and is a professional device superior to any commercial household mixer.

    Application Examples

    Candy, Cereals, Cereal bars, Cheese, Cocoa Nibs, Coated Tablets, Frozen Products, Dietary Supplements, Dried and Fresh Fruit, Feed Pellets, Fish, Ham, Lettuce, Nuts, Meat…

    Product Advantages

    • Efficient size reduction of up to 700 ml feed quantity due to a powerful 1000 W motor
    • Pre- and fine-grinding in one mill: cutting action in regular mode, grinding by impact in reverse mode, pre-grinding in interval mode
    • Perfect adaptation to application requirements by variable speed from 2.000 to 10.000 min-1 with an increment of 500 min-1
    • Boost function with speed of 14.000 min-1
    • 8 SOPs and 4 sequences can be stored
    • Touch display with access to MyRETSCH web portal with product and application related information
    • Optional gravity lids or volume reduction lids for automatic reduction of the grinding chamber volume
    • Grinding jar in plastic, stainless steel and glass available
    • All parts which come into contact with the sample material are autoclavable

    Function Principle

    Two sharp, robust blades rotate in the center of the grinding container. Depending on the rotational direction, size reduction is effected with the blunt side (preliminary size reduction) or the sharp side (fine grinding). The knife is indirectly driven by a powerful motor of 1000 W. A pre-selectable speed which is maintained electronically ensures optimum adaptation to individual application requirements as well as reproducible grinding results.

    Applications: Size Reduction, Homogenization and Mixing
    Field of Application: Agriculture, Biology, Food, Medicine / Pharmaceuticals
    Feed Material: Soft, Medium-Hard, Elastic, Containing Water/ Fat / Oil, Dry, Fibrous
    Size Reduction Principle: Cutting
    Material Feed Size: 40 mm
    Final Fineness: < 300 µm
    Batch Size / Feed Quantity: With standard lid 700 ml // With reduction lid 150-300 ml // With gravity lid 300 – 600 ml
    Grinding Chamber Volume: With standard lid 1000 ml // With reduction lid 300 ml/500 ml // With gravity lid 400 – 800 ml
    Speed Setting: Digital, 2,000 – 10,000 min-1 (14,000 min-1 BOOST)
    Material of Grinding Tools: blade: Stainless Steel / Titanium // Fixation of Blade: PVDF // Container: Autoclavable Plastic / Plastic PP / Stainless Steel / Glass
    Setting of Grinding Time: Digital, 1 s – 3 min
    Interval Operation: Yes
    Storable SOPs: 8 programms / 4 sequences
    Drive: Series-Characteristic motor
    Drive power: ~ 1000 W
    Electrical Supply Data: Different voltages
    Power Connection: 1-Phase
    Protection Code: Grinding chamber and keypad IP 42
    Power Consumption: ~ 1000 W
    W x H x D Closed: 350 x 275 x 392 mm (opened: 350 x 410 x 553)
    Net Weight: ~ 10 kg
    Standards: CE

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    The new knife mill GRINDOMIX GM 300 is the ideal instrument for the grinding and homogenization of foodstuffs. It allows to process sample volumes up to 4.5 liters quickly with reproducibly.

    With four sharp, robust blades and a powerful motor which can reach temporary peaks of 3 kW, it is ideal for homogenizing substances with a high water, oil or fat content as well as for grinding dry, soft and medium-hard products. The GRINDOMIX GM 300 meets and exceeds all special laboratory and analytical requirements and is a professional device superior to any commercial household mixer.

    Application Examples

    Candy, Cereals, Cereal Bars, Cheese, Cocoa Nibs, Coated Tablets, Deep-Frozen Products, Dietary Supplements, Dried and Fresh Fruit, Feed Pellets, Fish, Ham, Lettuce, Nuts, Meat…

    Product Advantages

    • Efficient size reduction of up to 4,500 ml feed quantity due to a powerful 1.1 kW motor (peak power input >3 kW)
    • Pre- and fine-grinding in one mill: cutting action in regular mode, grinding by impact in reverse mode, pre-grinding in interval mode
    • All parts which come into contact with the sample material are autoclavable
    • Perfect adaptation to application requirements by variable speed from 500 to 4000 min-1 with an increment of 100 min-1
    • Optional gravitation lid for automatic reduction of the grinding chamber volume
    • 10 SOPs can be stored
    • Grinding jar in plastic and stainless steel available

    Function Principle

    Four sharp, robust blades rotate in the center of the grinding container. Depending on the rotational direction, size reduction is effected with the blunt side (preliminary size reduction) or the sharp side (fine grinding). The knifes are protected with a counterblade from damages by hard sample materials.

    The knife is indirectly driven by a powerful motor of 1,1 kW which can reach temporary peaks of 3 kW. A pre-selectable speed which is maintained electronically ensures reproducible grinding results.

    Applications: Size Reduction, Homogenization and Mixing
    Field of Application: Agriculture, Biology, Food, Medicine / Pharmaceuticals
    Feed Material: Soft, Medium-Hard, Elastic, Containing Water/ Fat / Oil, Dry, Fibrous
    Size Reduction Principle: Cutting
    Material Feed Size: ~ 130 mm
    Final Fineness: < 300 µm
    Batch Size / Feed Quantity: With standard lid 4500 ml // With gravity lid 4000 ml
    Grinding Chamber Volume: 5000 ml, reduction with gravity lid
    Speed Setting: Digital, 500 – 4000 min-1
    Dry Grinding: Yes
    Wet Grinding: Yes
    Material of Grinding Tools: Grinding Container: Autoclavable Plastic PC, Stainless Steel 1.4435// Blade: stainless steel 1.4034 // Holder for blade: PVDF // Sealings: EPDM, FKM
    Setting of Grinding Time: Digital, 5 s – 3 min
    Interval Operation: Yes
    Interval Time: Adjustable
    Storable SOPs: 10
    Drive: 3-phase asynchronous motor with frequency converter
    Drive Power: Continuously 1.1 kW, short term 3 kW
    Electrical Supply Data: Different voltages
    Power Connection: 1-Phase
    Protection Code: IP 20
    W x H x D Closed: 440 mm x 340 mm x 440 mm
    Net Weight: ~ 30 kg
    Standards: CE

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    ■ Uncomplicated design with range of uses and installations
    ■ Top chamber tilts open for inspection and maintenance
    ■ Heavy ribbed cast iron breaker plate aids in the grinding and milling process
    ■ Rotor shaft 1-3/16″ dia. steel with flange mounted ball bearings and grease fittings Hardened steel hammers, free-swinging, four rows installed in staggered arrangement Hammers are reversible for maximum wear
    ■ Milling chamber has radius tracks for sizing screen
    ■ The Bottom Discharge feature permits easy installation over a pit, hopper or similar and is completely open for full and quick through-put
    ■ The Blower Discharge Mill features a fan which helps in fast grinding by pulling material into the rotating hammers and through the screen
    ■ The Blower fan moves material to another area or upper level to over 20 ft. elevation
    ■ The Blower Discharge unit is well suited for dry, light weight material such as most grains, feathers, foam plastic, feed, dry bedding and much more
    ■ All Hammer Mills are made of durable cast iron and formed steel
    ■ All are finished in standard red enamel

    ■ Stock screen included
    ■ Standard Feed Table
    ■ Base Frame with motor mount (formed & welded steel)
    ■ Electric Motor for *230/460V-3 ph-1750 RPM operation eOn/off control with O.L. protection & enclosure
    ■ 25 ft. power cord with plug
    ■ AII pulleys with v-belt drive for proper speed
    ■ Safety Limit Switch (to stop motor if mill is opened) eSafety Belt Guard with motor cover
    ■ PVC Discharge Skirt (for Bottom Discharge units)
    ■ AII ready for operation

    Requirements Model 1200 Model 2000 Model 3000
    Operating RPM: 3500-3800 3500-3800 2500-3000
    Motor Size
    Bottom Discharge:
    Blower Discharge:
    2 HP
    2-3 HP
    2-3 HP
    5 HP
    7 1/2 HP
    10-15 HP
    Floor Space
    Bottom Discharge:
    Blower Discharge:
    24″ x 36″
    29″ x 36″
    24″ x 36″
    29″ x 36″
    27″ x 36″
    38″ x 40″
    Feed Opening: 6″ x 6-1/4″ 9″ x 6-1/4″ 12″ 6-1/4″
    Hammers Required: 12 18 30
    Shipping Weight
    Bottom Discharge:
    Blower Discharge:
    330 lb.
    360 lb.
    400 lb.
    450 lb.
    475 lb.
    725 lb.

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    ■ Capacities to 400 lbs. per hour
    ■ Able to grind bones, seeds, coffee, roots, spices, and minerals
    ■ Adjustable settings for coarse and fine milling
    ■ Cast iron construction

    ■ GM Large Power Mill with discharge spout
    ■ Base frame and motor
    ■ On/Off control with overload protection
    ■ 25 ft. power cord with plug
    ■ V-belt drive pulleys
    ■ Safety belt guard made of galvanized steel

    ■ Mobile base frame with 18″ discharge height
    ■ Mobile base frame with 24″ discharge height
    ■ Mobile base frame with 38″ discharge height

    ■ Large hopper sized three bushel

    ■ Additional grinding burrs – coarse or fine

    *220V- single phase motor in place of 230/460V-3 ph
    *50 hertz electrical packages available

     

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    Polymix™ MFC 90 D features easy to change grinding attachments and sieves extending the range of samples that can be processed. Simple handling, high user safety and efficient grinding results are just a few of the advantages of this mill.

    Polymix™ MFC 90 D features easy to change grinding attachments and sieves extending the range of samples that can be processed. Simple handling, high user safety and efficient grinding results are just a few of the advantages of this mill.

    • Working volume approx. 300mL (volume of the funnel)
    • 600W high frequency 3 phase motor with speed regulation from 50rpm up to 6, 000rpm
    • Integrated overheating, overload and blocking protection
    • Safety switch for automatic off
    • Energy saving through automatic standby mode
    • Hammer grinding or blade grinding attachment
    • Sievesize 2mm

    Power (W): 1000
    Funnel volume: 300 ml
    Product discharge: 0.2 to 6 mm mesh size
    Motor: Wear-free three-phase motor / Gearless direct drive / Security system auto-off
    Speed range: 50 – 6000 rpm
    Sound level: 70 dB(A) for 6000 rpm
    Supply voltage: 100 – 230 V ± 10 %, 50Hz / 60Hz
    Relative humidity (max.): 80 % in storage / 80 % during operation
    Operating temperature: 0 – 40 °C
    Protection class acc. to DIN: IP 20
    Measurements (L x W x H): 325 x 251 x 480 mm
    Weight: 12 kg
    Width (Metric): 251mm
    EMC standards: IEC / EN 61000-6-2  / EN 61000-6-3
    Safety standard: IEC  / EN 61010-2-51

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    The mixer mill MM 200 is a compact versatile benchtop unit, which has been developed specially for dry grinding of small amounts of sample.
    It can mix and homogenize powders in only a few seconds. It is also perfectly suitable for the disruption of biological cells as well as for DNA/RNA extraction.

    You may also be interested in the High Energy Ball Mill Emax, an entirely new type of mill for high energy input. The unique combination of high friction and impact results in extremely fine particles within the shortest amount of time.

    Application Examples

    Alloys, Animal Feed, Bones, Ceramics, Cereals, Chemical Products, Coal, Coke, Drugs, Glass, Grains, Hair, Minerals, Oil Seeds, Ores, Paper, Plant Materials…

    Product Advantages

    • Reproducible, efficient grinding, mixing and homogenization in seconds
    • Powerful grinding by impact and friction, up to 25 Hz for up to 20 samples per run
    • 9 SOPs can be stored
    • Wide range of accessories including various jar and ball sizes, adapter racks, grinding tool materials

    Function Principle

    The grinding jars of the MM 200 perform radial oscillations in a horizontal position. The inertia of the grinding balls causes them to impact with high energy on the sample material at the rounded ends of the grinding jars and pulverize it. Also, the movement of the grinding jars combined with the movement of the balls result in the intensive mixing of the sample.
    The degree of mixing can be increased even further by using several smaller balls. If several small balls are used (e.g. glass beads) then, for example, biological cells can be disrupted. The large frictional impact effects between the beads ensure effective cell disruption.

    Applications: Size Reduction, Mixing, Homogenization, Cell Disruption
    Field of Application: Agriculture, Biology, Chemistry, Construction Materials, Engineering / Electronics, Environment / Recycling, Food, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals
    Size Reduction Principle: Impact, Friction
    Material Feed Size: <= 6 mm
    Final Fineness: ~ 10 µm
    Batch Size / Feed Quantity: max. 2 x 10ml
    No. of Grinding Stations: 2
    Setting of Vibrational Frequency: Digital, 3 – 25 Hz (180 – 1500 min-1)
    Typical Mean Grinding Time: 30 s – 2 min
    Dry Grinding: Yes, dry only
    Cell Disruption with Reaction Vials: Yes, up to 10 x 2.0 ml
    Type of Grinding Jars: With push-fit lid
    Material of Grinding Tools: Hardened Steel, Stainless Steel, Tungsten Carbide, Agate, Zirconium Oxide, PTFE
    Grinding Jar Sizes: 1.5 ml / 5 ml / 10 ml / 25 ml
    Setting of Grinding Time: Digital, 10 s – 99 min
    Storable SOPs: 9
    Electrical Supply Data: 100-240 V, 50/60 Hz
    Power Connection: 1-Phase
    Power Consumption: 100 W
    W x H x D Closed: 371 x 266 x 461 mm
    Net Weight: ~ 25 kg
    Standards: CE

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    The mixer mill MM 400 is a compact versatile bench-top unit, which has been developed specially for dry, wet and cryogenic grinding of small amounts of sample.
    It can mix and homogenize powders and suspensions in only a few seconds. It is also perfectly suitable for the disruption of biological cells as well as for DNA/RNA and protein extraction. With its high performance and great flexibility the mixer mill MM 400 is a unique product in the market.

    You may also be interested in the High Energy Ball Mill Emax, an entirely new type of mill for high energy input. The unique combination of high friction and impact results in extremely fine particles within the shortest amount of time.

    Application Examples

    Alloys, Animal Feed, Bones, Ceramics, Cereals, Chemical Products, Coal, Coke, Drugs, Electronic Scrap, Glass, Grains, Hair, Minerals, Oil Seeds, Ores, Paper, Plant Materials, Plastics…

    Product Advantages

    • Reproducible, efficient grinding, mixing and homogenization in seconds
    • Powerful grinding by impact and friction, up to 30 Hz for up to 20 samples per run
    • 3 different grinding modes (dry, wet or cryogenic)
    • Screw-top grinding jars for leak-proof grinding
    • 9 SOPs can be stored
    • Wide range of accessories including various jar and ball sizes, adapter racks for single use vials and tubes, grinding tool materials, CryoKit
    • Efficient cell disruption of max. 240 ml cell suspension for DNA/RNA- and protein extraction
    • Isolation of bacteria from tissue in 8 x 30 ml bottles or 10 x 5 ml vials for accurate diagnosis of infections

    Function Principle

    The grinding jars of the MM 400 perform radial oscillations in a horizontal position. The inertia of the grinding balls causes them to impact with high energy on the sample material at the rounded ends of the grinding jars and pulverize it. Also, the movement of the grinding jars combined with the movement of the balls result in the intensive mixing of the sample.

    The degree of mixing can be increased even further by using several smaller balls. If several small balls are used (e.g. glass beads) then, for example, biological cells can be disrupted. The large frictional impact effects between the beads ensure effective cell disruption.

    Applications: Size Reduction, Mixing, Homogenization, Cell Disruption
    Field of Application: Agriculture, Biology, Chemistry, Construction Materials, Engineering / Electronics, Environment / Recycling, Food, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals
    Size Reduction Principle: Impact, Friction
    Material Feed Size: <= 8 mm
    Final Fineness: ~ 5 µm
    Batch Size / Feed Quantity: max. 2 x 20ml
    No. of Grinding Stations: 2
    Setting of Vibrational Frequency: Digital, 3 – 30 Hz (180 – 1800 min-1)
    Typical Mean Grinding Time: 30 s – 2 min
    Grinding: Wet or Dry
    Cell Disruption with Reaction Vials: Yes, up to 20 x 2.0 ml
    Type of Grinding Jars: Screw Top Design
    Material of Grinding Tools: Hardened Steel, Stainless Steel, Tungsten Carbide, Agate, Zirconium Oxide, PTFE
    Grinding Jar Sizes: 1.5 ml / 5 ml / 10 ml / 25 ml / 35 ml / 50ml
    Setting of Grinding Time: Digital, 10 s – 99 min
    Storable SOPs: 9
    Electrical Supply Data: 100-240 V, 50/60 Hz
    Power Connection: 1-Phase
    Power Consumption: 150 W
    W x H x D Closed: 371 x 266 x 461 mm
    Net Weight: ~ 26 kg
    Standards: CE

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    The mixer mill MM 500 is a compact, versatile bench-top unit which has been developed specially for dry, wet and cryogenic grinding of up to 2 x 45 ml sample material within seconds.

    With a maximum frequency of 35 Hz, it generates enough energy to produce particles in the nanometer range. The robust high-performance drive makes the mill suitable for long-term grinding processes up to 99 hours. Hence, the MM 500 is the first mixer mill in the market to provide a real alternative to grinding in a planetary ball mill – with more comfortable handling and less warming effects.

    Application Examples

    Alloys, Animal Feed, Bones, Ceramics, Chemical Products, Coal, Coke, Drugs, Electronic Scrap, Glass, Grains, Hair, Minerals, Oil Seeds, Ores, Paper, Plant Materials, Plastics…

    Product Advantages

    • Machine
    • Powerful grinding by impact and friction with up to 35 Hz
    • Pulverization of two samples down to the nanometer range < 0.1 µm
    • Suitable for long-term grinding processes up to 99 h
    • Suitable for mechanochemistry applications
    • Batch size max. 2 x 45 ml
    • User-friendly clamping system
    • 3 different grinding modes (dry, wet or cryogenic)
    • Memory for 12 SOPs and 4 program cycles
    • Wide range of accessories including various jar and ball sizes, grinding tool materials, CryoKit
    • Convenient operation via 4.3″ touch display
    • Can be controlled via RETSCH App
    • Screw-Lock jars
    • Pressure-tight up to 5 bar
    • Grinding under inert gas (optional)
    • Jar design allows full use of the volume, also for wet grinding
    • Jars remain conveniently clamped for periodic sample extraction or visual checks

    Function Principle

    The grinding jars of the mixer mill MM 500 perform radial oscillations in a horizontal position. The inertia of the grinding balls causes them to impact with high energy on the sample material at the rounded ends of the grinding jars and pulverize it.

    Also, the movement of the grinding jars combined with the movement of the balls result in the intensive mixing of the sample. The degree of mixing can be increased even further by using several smaller balls.

    Applications: Mechanochemistry, Mechanical Alloying, Size Reduction, Mixing, Homogenization, Cryogenic Grinding
    Field of Application: Agriculture, Biology, Chemistry, Construction Materials, Engineering / Electronics, Environment / Recycling, Food, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals
    Size Reduction Principle: Impact, Friction
    Material Feed Size: <= 10 mm
    Final Fineness: ~ 0.1 µm
    Batch Size / Feed Quantity: max. 2 x 45ml
    No. of Grinding Stations: 2
    Setting of Vibrational Frequency: Digital, 3 – 35 Hz (180 – 2100 min-1)
    Typical Mean Grinding Time: 30 s – 2 min
    Grinding: Wet or Dry
    Cell Disruption with Reaction Vials: Yes, up to 20 x 2.0 ml
    Type of Grinding Jars: Screw-lock with integrated safety closure devices
    Material of Grinding Tools: Hardened Steel, Stainless Steel, Tungsten Carbide, Agate, Zirconium Oxide, PTFE
    Grinding Jar Sizes: 50 ml / 80 ml / 125 ml
    Setting of Grinding Time: Digital, 10 s – 8 h
    Storable SOPs: 12
    Electrical Supply Data: 100-120V, 50/60 Hz; 200-230V, 50/60Hz
    Power Connection: 1-Phase
    Power Consumption: 750 W
    W x H x D Closed: 690 x 375 x 585 mm
    Net Weight: ~ 60 kg
    Standards: CE

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    Planetary Ball Mills are used wherever the highest degree of fineness is required. In addition to well-proven mixing and size reduction processes, these mills also meet all technical requirements for colloidal grinding and provide the energy input necessary for mechanical alloying. The extremely high centrifugal forces of a planetary ball mill result in very high pulverization energy and therefore short grinding times.

    The PM 100 is a convenient bench top model with 1 grinding station.

    You may also be interested in the High Energy Ball Mill Emax, an entirely new type of mill for high energy input. The unique combination of high friction and impact results in extremely fine particles within the shortest amount of time.

    Application Examples

    Alloys, Bentonite, Bones, Carbon Fibres, Catalysts, Cellulose, Cement Clinker, Ceramics, Charcoal, Chemical Products, Clay Minerals, Coal, Coke, Concrete, Compost, Electronic Scrap, Fibres, glass…

    Product Advantages

    • Powerful and quick grinding down to nano range
    • Reproducible results due to energy and speed control
    • Suitable for long-term trials
    • 2 different grinding modes (dry and wet)
    • Optional pressure and temperature measuring system PM GrindControl
    • Wide range of materials for contamination free grinding
    • Safety Slider for safe operation
    • Perfect stability on lab bench thanks to FFCS technology
    • Innovative counter weight and imbalance sensor for unsupervised operation
    • Comfortable parameter setting via display and ergonomic 1-button operation
    • Automatic grinding chamber ventilation
    • 10 SOPs can be stored
    • Programmable starting time
    • Power failure backup ensures storage of remaining grinding time
    • Jars with O-type sealing for safe operation, pressure tight

    Function Principle

    The grinding jar is arranged eccentrically on the sun wheel of the planetary ball mill. The direction of movement of the sun wheel is opposite to that of the grinding jars in the ratio 1:-2.

    The grinding balls in the grinding jars are subjected to superimposed rotational movements, the so-called Coriolis forces. The difference in speeds between the balls and grinding jars produces an interaction between frictional and impact forces, which releases high dynamic energies. The interplay between these forces produces the high and very effective degree of size reduction of the planetary ball mill.

    Planetary mills with a single grinding station require a counterweight for balancing purposes. In the Ball Mill PM 100 this counterweight can be adjusted on an inclined guide rail. In this way the different heights of the centers of gravity of differently-sized grinding jars can be compensated in order to avoid disturbing oscillations of the machine.

    Any remaining vibrations are compensated by feet with some free movement (Free-Force Compensation Sockets). This innovative FFCS technology is based on the d’Alembert principle and allows very small circular movements of the machine housing that result in an automatic mass compensation. The laboratory bench is only subjected to minimal frictional forces generated in the feet.

    In this way the PM 100 ensures a quiet and safe operation with maximum compensation of vibrations even with the largest pulverization forces inside the grinding jars and therefore can be left on the bench unsupervised.

    Applications: Pulverizing, Mixing, Homogenizing, Colloidal Milling, Mechanical Alloying
    Field of application: Agriculture, Biology, Chemistry, Construction Materials, Engineering / Electronics, Environment / Recycling, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals
    Feed material: Soft, hard, brittle, fibrous – dry or wet
    Size reduction principle: Impact, friction
    Material feed size* < 10 mm
    Final fineness*: < 1 µm, for colloidal grinding < 0.1 µm
    Batch size / feed quantity*: max. 1 x 220 ml, max. 2 x 20 ml with stacked grinding jars
    No. of grinding stations: 1
    Speed ratio: 1 : -2
    Sun wheel speed: 100 – 650 min-1
    Effective sun wheel diameter: 141 mm
    G-force: 33.3 g
    Type of grinding jars: “Comfort”, optional areation covers, safety closure devices
    Material of grinding tools: Hardened Steel, Stainless Steel, Tungsten Carbide, Agate, Sintered Aluminium Oxide, Silicon Nitride, Zirconium Oxide
    Grinding jar sizes: 12 ml / 25 ml / 50 ml / 80 ml / 125 ml / 250 ml / 500 ml
    Setting of grinding time: Digital, 00:00:01 to 99:59:59
    Interval operation: Yes, with direction reversal
    Interval time: 00:00:01 to 99:59:59
    Pause time: 00:00:01 to 99:59:59
    Storable SOPs: 10
    Interface: RS 232 / RS 485
    Drive: 3-phase asynchronous motor with frequency converter
    Drive power: 750 W
    Electrical supply data: Different voltages
    Power connection: 1-phase
    Protection code: IP 30
    Power consumption: ~ 1250W (VA)
    W x H x D closed: 640 x 480 (780) x 420 mm
    Net weight: ~ 86 kg
    Standards: CE
    Patent / Utility patent: Counter weight (DE 20307741), FFCS (DE 20310654), SafetySlider (DE 202008008473)

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    Planetary Ball Mills are used wherever the highest degree of fineness is required. Apart from the classical mixing and size reduction processes, the mills also meet all the technical requirements for colloidal grinding and have the energy input necessary for mechanical alloying processes. The extremely high centrifugal forces of a planetary ball mill result in very high pulverization energy and therefore short grinding times.

    The PM 200 is a convenient bench top model with 2 grinding stations.

    You may also be interested in the High Energy Ball Mill Emax, an entirely new type of mill for high energy input. The unique combination of high friction and impact results in extremely fine particles within the shortest amount of time.

    Application Examples

    Alloys, Bentonite, Bones, Carbon Fibres, Catalysts, Cellulose, Cement Clinker, Ceramics, Charcoal, Chemical Products, Clay Minerals, Coal, Coke, Concrete, Compost, Electronic Scrap, Fibres, Glass…

    Product Advantages

    • Powerful and quick grinding down to nano range
    • Reproducible results due to energy and speed control
    • Suitable for long-term trials
    • 2 different grinding modes (dry and wet)
    • Wide range of materials for contamination free grinding
    • Safety Slider for safe operation
    • Comfortable parameter setting via display and ergonomic 1-button operation
    • Automatic grinding chamber ventilation
    • 10 SOPs can be stored
    • Programmable starting time
    • Power failure backup ensures storage of remaining grinding time
    • Jars with O-type sealing for safe operation, pressure tight

    Function Principle

    The grinding jars are arranged eccentrically on the sun wheel of the planetary ball mill. The direction of movement of the sun wheel is opposite to that of the grinding jars in the ratio 1:-2.

    The grinding balls in the grinding jars are subjected to superimposed rotational movements, the so-called Coriolis forces. The difference in speeds between the balls and grinding jars produces an interaction between frictional and impact forces, which releases high dynamic energies. The interplay between these forces produces the high and very effective degree of size reduction of the planetary ball mill.

    Applications: Pulverizing, Mixing, Homogenizing, Colloidal Milling, Mechanical Alloying
    Field of application: Agriculture, Biology, Chemistry, Construction Materials, Engineering / Electronics, Environment / Recycling, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals
    Feed material: Soft, hard, brittle, fibrous – dry or wet
    Size reduction principle: Impact, friction
    Material feed size* < 4 mm
    Final fineness*: < 1 µm, for colloidal grinding < 0.1 µm
    Batch size / feed quantity*: max. 2 x 50 ml
    No. of grinding stations: 2
    Speed ratio: 1 : -2
    Sun wheel speed: 100 – 650 min-1
    Effective sun wheel diameter: 157 mm
    G-force: 37.1 g
    Type of grinding jars: “Comfort”, optional areation covers, safety closure devices
    Material of grinding tools: Hardened steel, stainless steel, tungsten carbide, agate, sintered aluminium oxide, silicon nitride, zirconium oxide
    Grinding jar sizes: 12 ml / 25 ml / 50 ml / 80 ml / 125 ml
    Setting of grinding time: Digital, 00:00:01 to 99:59:59
    Interval operation: Yes, with direction reversal
    Interval time: 00:00:01 to 99:59:59
    Pause time: 00:00:01 to 99:59:59
    Storable SOPs: 10
    Measurement of input energy possible: Yes
    Interface: RS 232 / RS 485
    Drive: 3-phase asynchronous motor with frequency converter
    Drive power: 750 W
    Electrical supply data: Different voltages
    Power connection: 1-phase
    Protection code: IP 30
    Power consumption: ~ 1250 W (VA)
    W x H x D closed: 640 x 480 (780) x 420 mm
    Net weight: ~ 72 kg
    Standards: CE
    Patent / Utility patent: SafetySlider (DE 202008008473)

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