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| Company | RETSCH | RETSCH | RETSCH | RETSCH |
| Item | Mixer Mill MM 400 | Cutting Mill SM 300 | Knife Mill Grindomix GM 200 | Knife Mill GRINDOMIX GM 300 |
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| Figures | | | | |
| Catalog Number | MM 400 | SM 300 | GM 200 | GM 300 |
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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 new knife mill GRINDOMIX GM 200 is the ideal instrument for the grinding and homogenization of foodstuffs. It allows to process sample volumes up to 1 liters quickly and reproducibly.
With two sharp, robust blades and a powerful motor which can reach temporary peaks of 1 kW, it is ideal for The new knife mill GRINDOMIX GM 200 is the ideal instrument for the grinding and homogenization of foodstuffs. It allows to process sample volumes up to 1 liters quickly and reproducibly.
With two sharp, robust blades and a powerful motor which can reach temporary peaks of 1 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 200 meets and exceeds all special laboratory and analytical requirements and is a professional device superior to any commercial household mixer.
Features - Efficient size reduction of up to 700 ml feed quantity due to a powerful 1 kW motor
- 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 2,000 to 10,000 min-1
- CryoKit available for grinding embrittled or deeply frozen samples
- Optional gravitaty lid for automatic reduction of the grinding chamber volume
- Optional volume reduction lid available
- 8 SOPs and 4 sequences can be stored
- Grinding jar in plastic and stainless steel available
... Read More | 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 and reproducibly.
With four sharp, robust blades and a powerful motor which can reach temporary peaks of 3 kW, it is ideal for 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 and 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.
Features - 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 4,000 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
... Read More |
| Principle | Impact and Friction | Shearing and Cutting | Cutting | Cutting |
| Sample Size | < = 8 mm | Up to 60 x 80 mm | ~ 40 mm | ~ 130 mm |
| Sample Type | Hard, Medium-Hard, Soft, Brittle, Elastic or Fibrous | Soft, Medium-Hard, Tough, Elastic or Fibrous | Soft, Medium-Hard, Elastic, Containing Water/Fat/Oil, Dry or Fibrous | Soft, Medium-Hard, Elastic, Containing Water/Fat/Oil, Dry or Fibrous |
| 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 | Size Reduction, Homogenization and Mixing: Agriculture, Biology, Food, Medicine / Pharmaceuticals | Size Reduction, Homogenization and Mixing: Agriculture, Biology, Food, Medicine / Pharmaceuticals |
| Speed | 3 to 30 Hz | 700 to 3000 min-1 | 2,000 to 10,000 min-1 | 500 to 4000 min-1 |
| Rotor Type | grinding jar and balls | Parallel Section Rotor and 6-Disc Rotor | Stainless steel knife, knife titanium; CryoKit | Stainless steel knife, knife with titanium-niob coating |
| Final Fineness | ~ 5 um | 0.25 to 20 mm | < 300 um | < 300 um |
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