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Pellet Pressing
PP 40 Pellet Press
Solid, high-quality pellets are an important precondition for reliable and meaningful XRF analysis. With the PP 40, RETSCH offers a pellet press which produces strong pellets with a smooth surface. The PP 40 features individual pressure force regulation in the range of 0 to 40 t. It combines the advantage of a small benchtop unit with high press forces, which are built up automatically in three steps, ensuring that even difficult materials are pressed perfectly.
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Lab Scale Units
PT 100 Sample Divider
A faultless and comparable analysis is closely linked to accurate sample handling. Only a sample representative of the initial material can provide meaningful analysis results. Rotating dividers ensure the representativeness of a sample and thus the reproducibility of the analysis.
The sample divider PT 100 divides the sample so exactly that the composition of each fraction of the sample corresponds exactly to that of the original bulk sample. This applies both for fine-powdered and coarse materials. The material feed and dividing processes take place automatically, without interruption and without loss of material. The Sample Divider PT 100 has a modular design and can be put together to suit individual requirements. It offers an extremely flexible range of possible applications. A feeder, various dividing heads, sample receptacle vessels and further useful accessories are available in addition to the drive unit.
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Lab Scale Units
PT 200 Rotating Tube Divider
A faultless and comparable analysis is closely linked to accurate sample handling. Only a sample representative of the initial material can provide meaningful analysis results. Rotary tube dividers ensure the representativeness of a sample and thus the reproducibility of the analysis.
The rotating tube divider PT 200 is the prerequisite for dust-free division and volume reduction of larger bulk samples. It is suitable for powdered or granular bulk materials. The slot width adjusts the ratio of the fractions and therefore the amount of sample.SKU: n/a -
Production Units
PT 300 Rotating Sample Divider
A faultless and comparable analysis is closely linked to accurate sample handling. Only a sample representative of the initial material can provide meaningful analysis results. Rotating sample dividers ensure the representativeness of a sample and thus the reproducibility of the analysis.
The rotating sample divider PT 300 is specially designed for representative, dust-free division and volume reduction of large amounts of powdered or granular bulk materials. The selection of different dividing modules determines the dividing ratio and the sample amount. The PT 300 is available in configurations for the division of either 30 l or 60 l sample material.
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Uncategorized
RM 200 Electric Mortar Grinder
RM 200 Electric Mortar Grinder
The Retsch RM 200 electric mortar grinder replaces the hand mortar and pestle with a motor-driven, reproducible grinding process. It grinds, mixes and triturates powders, suspensions and pastes, including high-viscosity samples, down to an analytical fineness below 10 µm. Labs in pharmaceuticals, food, chemistry, geology and construction materials use it when every sample must be prepared the same way.
Grinding by hand is slow, tiring and hard to repeat from one operator to the next. The RM 200 mortar grinder sets pestle and scraper pressure with adjusting knobs, so you get the same result every run. The grinding set can be cooled or heated, swapped without tools, and is easy to clean.
Why Choose the RM 200 Electric Mortar Grinder
- Dry, wet and cryogenic grinding in one instrument
- Reproducible results from adjustable pestle and scraper pressure
- Closed, dust-tight grinding chamber with viewing windows
- Tool-free exchange of mortar and pestle
- Performance display for load control
- Contamination-free grinding with seven grinding set materials
- Three scraper materials: polyurethane, beech wood and PTFE
- Digital timer from 1 to 99 minutes, or continuous operation
How an Electric Mortar Grinder Works
The RM 200 reduces sample size by pressure and friction. The mortar rotates at 100 rpm while the pestle sits off-center and turns on its own through contact with the mortar and the sample.
A scraper continuously feeds material into the gap between mortar and pestle. This forced feed keeps the whole sample in the grinding zone, so it is ground and mixed evenly. Grinding pressure comes from the pestle’s own weight plus an adjustable spring acting on its axis.
An Automatic Mortar and Pestle for Reproducible Sample Preparation
A manual mortar and pestle depends on the operator’s arm, patience and technique. An electric mortar grinder removes that variable. Pressure settings, grinding time and speed stay fixed, so results can be documented and repeated across shifts, operators and labs. That matters for quality control, method validation and regulated work.
Applications
The RM 200 handles soft, hard, brittle and pasty feed material up to 8 mm. Typical samples include:
- Pharmaceuticals and medicine: drugs, pharmaceutical materials, homeopathic preparations (trituration)
- Food and agriculture: cocoa nibs, nuts, oil seeds, spices, plant materials, yeast cells
- Chemistry and plastics: chemical products, salts
- Geology and metallurgy: soils, slag, silicates
- Construction materials, glass and ceramics: cement clinker, tiles, ashes
- Energy: coal, coke
Grinding Sets for the Electric Mortar Grinder
Choose the mortar and pestle material to match your sample’s hardness and to avoid contaminating your analysis. Seven materials are available:
- Hardened steel
- Stainless steel
- Tungsten carbide
- Agate
- Sintered aluminum oxide
- Zirconium oxide
- Hard porcelain
Agate is a common choice for trace analysis, where metal abrasion would skew results. Sets exchange in seconds without tools, so one electric mortar grinder can cover many grinding tasks.
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Uncategorized
RS 200 Vibratory Disc Mill
No grinder can beat the speed of a Vibratory Disc Mill when it comes to preparing samples for spectral analyses. RETSCH’s Vibratory Disc Mill RS 200 is ideally suited for fast and reproducible pulverization of hard, brittle and fibrous sample materials to analytical fineness.
The RS 200 runs steadily and smoothly, even with heavy grinding sets and at maximum speed thanks to its powerful Stabilized-Plane-Drive. It achieves grind sizes between 20 and 100 microns within seconds and with excellent reproducibility.
Grinding sets are available in a variety of sizes and materials. A set of sensors will recognize jars of tungsten or agate and automatically sets the maximum permissible speed, ensuring optimum results while protecting the material.
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Uncategorized
RS 300 Vibratory Disc Mill
No grinder can beat the speed of a Vibratory Disc Mill when it comes to preparing samples for spectral analyses. RETSCH’s Vibratory Disc Mill RS 300 is suitable for rapid, loss-free and reproducible grinding of medium-hard, brittle and fibrous materials.
Thanks to the robust universal drive shaft, which sets the grinding jar into a 3D motion, the RS 300 accepts grinding set weights of up to 30 kg. The closed grinding system guarantees complete processing of the sample.
Grinding sets are available in a variety of sizes and materials, allowing for easy adaptation to application requirements.
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Uncategorized
SK 300 Cross Beater Mill
The Cross Beater Mill SK 300 is suitable for coarse and fine size reduction, either in batches or continuously. It can process medium-hard and brittle materials and is easy to operate. For increased sample discharge and for processing heat-sensitive samples, an optionally available cyclone unit unit can be used instead of the gravity outlet.
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Non Vacuum Units
SK-10000T – Twin 7.0 Liter Cups
This large-capacity planetary centrifugal mixer is designed for production-scale mixing and degassing of high-performance materials. With 7,000 mL x 2 cup specifications and a maximum processing weight of 10 kg per cup, the system provides powerful batch capacity while maintaining reliable, uniform results.
Operation is simple and intuitive through the LCD touch panel, allowing users to control and monitor processing conditions with ease. The unit is also compatible with SUS stainless steel containers, making it suitable for demanding industrial, laboratory, and advanced material applications. For improved ergonomics and safer handling of heavy containers, an optional handling assist is available to support smoother loading and unloading during routine operation.
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Production Mixers
SK-10000TV – Twin 7.0 Liter Cups With Vacuum
This large-capacity planetary centrifugal mixer with vacuum asssist for degassing and defoaming is designed for production-scale mixing and degassing of high-performance materials. With 7,000 mL x 2 cup specifications and a maximum processing weight of 10 kg per cup, the system provides powerful batch capacity while maintaining reliable, uniform results.
Operation is simple and intuitive through the LCD touch panel, allowing users to control and monitor processing conditions with ease. The unit is also compatible with SUS stainless steel containers, making it suitable for demanding industrial, laboratory, and advanced material applications. For improved ergonomics and safer handling of heavy containers, an optional handling assist is available to support smoother loading and unloading during routine operation.
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Non Vacuum Units
SK-1100T – Twin 1.1 Liter Cups
The SK-1100T production model is engineered to deliver high-quality material processing by combining high-speed revolution with a wide-radius gyration motion. This advanced mixing action improves the blending efficiency of powders and liquids, making it ideal for demanding production applications.
By precisely controlling the timing at which the rotation speed increases, the system enhances the mixing rate while helping to suppress lump formation, resulting in a more uniform and consistent final product. The combination of powerful motion control and optimized mixing performance makes this model well suited for producing high-quality materials with improved process reliability.
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Vacuum Units
SK-1100TV – Twin 1.1 Liter Cups With Vacuum
The SK-1100TV production model with vacuum assist for degassing and defoaming is engineered to deliver high-quality material processing by combining high-speed revolution with a wide-radius gyration motion. This advanced mixing action improves the blending efficiency of powders and liquids, making it ideal for demanding production applications.
By precisely controlling the timing at which the rotation speed increases, the system enhances the mixing rate while helping to suppress lump formation, resulting in a more uniform and consistent final product. The combination of powerful motion control and optimized mixing performance makes this model well suited for producing high-quality materials with improved process reliability.
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Non Vacuum Units
SK-2000T – Twin 2.0 Liter Cups
The SK-2000T production model is engineered to deliver high-quality material processing by combining high-speed revolution with a wide-radius gyration motion. This advanced mixing action improves the blending efficiency of powders and liquids, making it ideal for demanding production applications.
By precisely controlling the timing at which the rotation speed increases, the system enhances the mixing rate while helping to suppress lump formation, resulting in a more uniform and consistent final product. The combination of powerful motion control and optimized mixing performance makes this model well suited for producing high-quality materials with improved process reliability.
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Non Vacuum Units
SK-300 SII – Single 300 ml Cup
The single-cup planetary centrifugal mixer is designed for fast, uniform mixing of low- and high-viscosity fluids, pastes, slurries, adhesives, coatings, powders, and composite materials. Using a high-speed planetary motion, the 300 mL mixing cup rotates and revolves simultaneously to create powerful shear and circulation without the need for blades or agitators. This bladeless design helps reduce material loss, simplifies cleanup, and minimizes cross-contamination between batches.
In addition to mixing, the system efficiently degasses and defoams materials during processing, removing trapped air bubbles to improve product consistency, appearance, and performance. Compact, precise, and easy to operate, it is ideal for laboratory research, formulation development, quality control, and small-batch production where repeatable mixing results are critical.
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Vacuum Units
SK-300TVS-A – Twin 300 ml Cups with Vacuum
This model is a high-performance planetary centrifugal mixer equipped with an advanced vacuum reduced-pressure feature for superior mixing and defoaming results. With its individual revolution and rotation speed control system, step operation capability, and shifted cup tray mechanism, it delivers enhanced mixing efficiency while effectively removing entrapped air from materials. Designed for processing up to two 300 mL (300 g) cups at a time, this unit is ideal for applications requiring precise control, improved material uniformity, and reliable deaeration.
The combination of vacuum reduced pressure, independent speed control, and optimized cup tray positioning makes this model a powerful solution for demanding laboratory and production mixing processes.
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