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| Company | RETSCH | RETSCH | RETSCH | RETSCH |
| Item | Mixer Mill MM 400 | Cutting Mill SM 300 | Mixer Mill MM 500 vario | Mortar Grinder RM 200 |
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| Catalog Number | MM 400 | SM 300 | MM 500 vario | RM 200 |
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| Description | 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 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 extraction. With its high performance and great flexibility the MM 400 is a unique product in the market.
Features - 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, grinding tool materials, CryoKit
... Read More | Cutting mills are suitable for the grinding of soft, medium-hard, tough, elastic, fibrous, and heterogeneous mixes of products. The new Cutting Mill SM 300 excels especially in the tough jobs where other cutting mills fail.
The high torque of the new 3 kW drive with RES technology (additional Cutting mills are suitable for the grinding of soft, medium-hard, tough, elastic, fibrous, and heterogeneous mixes of products. The new Cutting Mill SM 300 excels especially in the tough jobs where other cutting mills fail.
The high torque of the new 3 kW drive with RES technology (additional flywheel mass) allows for an exceptionally effective preliminary size reduction of heterogeneous mixtures, such as waste or electronic components. Analytical fineness is often achieved in one working run.
The cutting mill is used successfully for a great variety of materials. The sample is only moderately warmed up during the grinding process so that the mill is perfectly suitable for grinding temperature-sensitive materials. Another innovation is the wide, freely selectable speed range from 700 to 3,000 min-1. In combination with the wide choice of bottom sieves, hoppers and collecting vessels, the mill can be easily adapted to varying application requirements.
Features - Powerful size reduction thanks to 3 kW drive with high torque and RES technology
- Perfect adaptation to application requirements by variable speed from 700 to 3,000 min-1
- Optimum cutting effects thanks to double acting cutting bars
- Quick and easy cleaning due to fold-back hopper, smooth surfaces and push-fit rotor
- Defined final fineness due to bottom sieves with aperture sizes from 0.25 - 20 mm
- Wide range of accessories including various hoppers, collection systems, rotors and sieves
- Highest safety standards due to engine brake, central locking device, electronic safety check and base frame
... Read More | The Mixer Mill MM 500 vario is a true multipurpose mill designed for dry, wet and cryogenic grinding of small volumes up to 6 x 20 ml. It mixes and homogenizes powders and suspensions with a frequency of 35 Hz within seconds – unbeatably fast and easy to operate. It is also very useful for The Mixer Mill MM 500 vario is a true multipurpose mill designed for dry, wet and cryogenic grinding of small volumes up to 6 x 20 ml. It mixes and homogenizes powders and suspensions with a frequency of 35 Hz within seconds – unbeatably fast and easy to operate. It is also very useful for mechanosynthesis applications and a grinding time up to 99 h. It is also the most suitable instrument for biological applications such as cell disruption for nucleic acids or protein extraction with a sample batch capacity of up to 50 samples- powerful grinding by impact and friction with up to 35 Hz
- pulverization of two samples down to 5 micron
- adapter for keeping 1.5, 2 or 5 ml plastic tubes or 2 ml steel tubes available
- adapter for keeping 4 x 50 ml conical tubes or 30 ml wide-mouth bottles available
- adapter for keeping 4 x 5 ml steel tubes available
- suitable for long-term grinding processes up to 8 h
- suitable for mechanochemistry applications
- 3 different grinding modes (dry, wet or cryogenic)
- memory for 8 SOPs and 4 program cycles
- Screw-Top jars from 5-50 ml
10 ml PMMA jars for RAMAN applications
... Read More | The Mortar Grinder RM 200 can mix and homogenize powders, suspension and pastes even with high viscosity. The RM 200 is suitable for the proper and reproducible sample preparation to analytical fineness.
It substitutes cumbersome hand mortars by a high performance drive with electronic control. TheThe Mortar Grinder RM 200 can mix and homogenize powders, suspension and pastes even with high viscosity. The RM 200 is suitable for the proper and reproducible sample preparation to analytical fineness.
It substitutes cumbersome hand mortars by a high performance drive with electronic control. The grinding set can be cooled and heated and is very easy to clean. Grinding sets of various material qualities are available which can be exchanged easily for optimum adaptation to various grinding tasks.
Features - Dry, wet and cryogenic grinding
- Reproducible results due to adjustable pestle and scraper pressure
- Closed, dust tight grinding chamber with windows
- Easy exchange of mortar and pestle without tools
- Performance display for load cotrol
- Adjustable pestle and scraper pressure
- Wide range of materials for contamination free grinding
- 3 scraper materials (vulkollan, beech wood, PTFE)
... Read More |
| Principle | Impact and Friction | Shearing and Cutting | Impact and Friction | Pressure and Friction |
| Sample Size | < = 8 mm | Up to 60 x 80 mm | ≤8 mm | < 8 mm |
| Sample Type | Hard, Medium-Hard, Soft, Brittle, Elastic or Fibrous | Soft, Medium-Hard, Tough, Elastic or Fibrous | Hard, Medium-Hard, Soft, Brittle, Elastic or Fibrous | Soft, Hard, Brittle or Pasty |
| Applications | Size Reduction, Mixing, Homogenization, Cell Disruption and Cryogenic Grinding: Agriculture, Biology, Chemistry / Plastics, Construction Materials, Engineering / Electronics, Environment / Recycling, Food, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals | Size Reduction by Cutting: Agriculture, Biology, Chemistry / Plastics, Engineering / Electronics, Environment / Recycling, Food, Medicine / Pharmaceuticals | mechanochemistry, mechanical alloying, size reduction, mixing, homogenization, cryogenic grinding; agriculture, biology, chemistry / plastics, construction materials, engineering / electronics, environment / recycling, food, geology / metallurgy, glass / ceramics, medicine / pharmaceuticals, cell disruption | Grinding, Mixing and Triturating - Dry and Wet: Agriculture, Biology, Chemistry / Plastics, Construction Materials, Food, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals |
| Speed | 3 to 30 Hz | 700 to 3000 min-1 | 3 to 35 Hz | 100 min-1 |
| Rotor Type | grinding jar and balls | Parallel Section Rotor and 6-Disc Rotor | grinding jar and balls | mortar and pestle |
| Final Fineness | ~ 5 um | 0.25 to 20 mm | ~5 µm | < 10 um |
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