Experimental Grinding Mill "Retch Mixer Mill MM 400"
An evolved all-rounder for fine/low-quantity grinding.
The Mixer Mill MM400 is a highly versatile ball mill that has undergone a model change after 15 years since its predecessor's introduction. It can grind small samples of up to 20ml using dry, wet, or freeze grinding methods. It mixes and homogenizes samples and suspensions within seconds at a frequency of 30Hz, allowing for rapid grinding. This compact tabletop model is suitable not only for conventional homogenizer processing but also for cell disruption for DNA/RNA and protein extraction. It allows for a long grinding time of up to 99 hours, making it widely applicable for research purposes such as mechanochemistry.
basic information
Main New Features ■ Grinding time setting of up to 99 hours (previously a maximum of 99 minutes) ■ Easy operation with a touch display ■ Calibration capability ensures reproducible results (calibration of time and frequency) ■ New transparent PMMA grinding jar allows for in-situ spectroscopic experimental methods ■ Reduced noise levels during equipment operation ■ Ability to register 12 SOPs (Standard Operating Procedures) and 8 programmed grinding cycles ■ Front cover features a damper for smooth opening and closing operation
Price information
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Model number/Brand name
Mixer Mill MM 200
Applications/Examples of results
【Application Examples】 Oilseeds, glass, coke, tobacco, plastics, chemical products, alloys, waste samples, plants, sludge, coal, grains, paper, cells, textiles, wool, pharmaceuticals, straw, compound feed, minerals, ores, tablets, ceramics, electronic waste, bones, etc. *For more details, please refer to the PDF document or feel free to contact us.
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![[Free Seminar] "Crushing and Particle Measurement: Learning the Latest Trends through Theory and Demonstration" (Sendai)](https://image.mono.ipros.com/public/news/image/1/200659/IPROS7601470821344749847.png?w=280&h=280)
[Free Seminar] "Crushing and Particle Measurement: Learning the Latest Trends through Theory and Demonstration" (Sendai) will be held on March 26, 2026 (Thursday) from 13:00 to 17:00.
"Crushing and Particle Measurement: Learning the Latest Trends through Theory and Demonstration" Date: March 26, 2026 (Thursday) 13:00-17:00 Capacity: 30 people *Registration will close once the capacity is reached. Venue: Forest Sendai Participation Fee: Free
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[Free Seminar] "Crushing and Particle Measurement: Learning the Latest Trends through Theory and Demonstration" (Sendai) Scheduled! March 26, 2026 (Thursday) 13:00-17:00
【First 30 Participants】 Registration deadline as soon as capacity is reached! 【Must-See for Those Involved】 For those involved in advanced materials: batteries, electronic components, ceramics, metal powders for 3D printing, as well as cosmetics, food, and pharmaceuticals. Don’t miss this opportunity to gather information that can provide hints for your work for free! 【Seminar for Manufacturing】 (Free) "Crushing" and measurement of particle size distribution, particle shape, and other "particle characteristics" 【Invited Lecture】 Professor Junya Kano, Tohoku University "High efficiency, energy saving, and resource recycling in powder processing processes (crushing, mixing, classification) using the latest DEM computer simulation technology" 【Lecture】 Vader Scientific: The latest technologies in "crushing, size reduction, and sieving" Microtrac Bel: The latest particle property evaluation technologies active in various fields 【Demonstration】 We will conduct a “crushing demonstration” using a ball mill and a “measurement demonstration” of the Microtrac SYNC particle size distribution and particle shape measurement device using laser diffraction/scattering and dynamic image analysis. 【Event Overview】 Date: March 26, 2026 (Thursday) 13:00-17:00 Capacity: 30 participants Venue: Forest Sendai Participation Fee: Free
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Varda Scientific covers a wide range of products, from sample grinding, crushing, homogenization, and heat treatment for laboratory use, to particle size measurement, component analysis, cutting, polishing, embedding, and hardness testing. Varda Scientific has five brands: Leco, QATM, Carbolite Gero, Eltra, and MRB. Since 1999, we have been operating as Leco Corporation, handling products from Leco and Leco Technology. On January 1, 2014, we began handling Carbolite Gero, and at the same time, in line with the increase in the number of brands we handle, we changed our company name to Varda Scientific Corporation. In 2018, we started handling ATM and Qness, and in June 2019, MICROTRAC and Microtrac Bell joined the Varda Scientific Group. As of May 1, 2020, ATM and Qness merged to become QATM, further enhancing our capabilities and allowing us to better meet our customers' needs.