

( Brand: Retsch ), ( Country/region Of Manufacture: Germany ), ( Manufacturer Part Number: PM400 )
The Retsch PM 400 Planetary Ball Mill is a versatile and powerful lab-scale milling system designed for the rapid, reproducible preparation of high-quality samples for a wide range of applications. This mill offers an advanced ball milling technology, enabling accurate and efficient comminution of hard, brittle, and fibrous materials down to nanometer sizes.
The PM 400 operates on a planetary system with six grinding stations arranged on two grinding balls' rotating axes. This innovative design provides high energy input and efficient grinding due to the continuous impact and friction between the grinding balls and samples. The mill includes two grinding stations with 250 ml grinding jars and annular grinding teeth for grinding and homogenizing solid, viscous, or pasty samples. Additionally, it offers two grinding stations with 50 ml agate or stainless steel grinding jars for more fine and dry grinding applications.
Equipped with a user-friendly control unit, the PM 400 offers various operational parameters and features for precise control and automation, such as adjustable grinding time,Copyright 2023 Domain name speed, stirring speed, and rotation speed. This flexibility allows users to optimize experimental conditions for their specific applications and ensure consistent, high-quality results.
The PM 400 also prioritizes safety and convenience with various features such as overheat protection, automatic turn-off, and an accessible cooling system, which maintain stable operating conditions and extend the life of the grinding jars and milling media. With its compact design, the PM 400 Planetary Ball Mill provides exceptional value and durability, making it an essential laboratory tool for researchers and quality control personnel in industries like materials science, chemistry, pharmaceuticals, and more.
The Retsch PM 400 Planetary Ball Mill is a versatile laboratory mill designed for the preparation and rapid grinding of a wide range of samples. Here are some pros and cons that might help you in making a decision:
Pros:1. Superior particle size reduction: The PM 400Planetary Ball Mill enables fast reduction of samples to very fine particle sizes within minutes to hours. Its planetary ball milling action improves the energy input and intensity of the grinding process, ensuring efficient size reduction.
2. Adaptability for various materials: The PM 400 is suitable for milling brittle, hard, and fibrous materials, making it a versatile tool for several applications, ranging from the softest clays to the hardest ceramics.
3. Non-toxic and chemically resistant: This mill comes with corrosion-resistant stainless steel grinding jars and agate grinding balls, ensuring compatibility with various chemicals, acids, and solvents.
4. Easy to operate: The PM 400 is fully automated, and the controls are easy to use. It allows you to program up to ten grinding sequences, making it a simple and convenient option for standard activities.
Cons:1. Relatively high cost: The PM 400 Planetary Ball Mill is a premium product with a comparatively high price tag.
2. Limited grinding capacity: It is a benchtop mill designed primarily for small-scale sample preparation, making it less suitable for large-scale applications. The grinding capacity ranges from 40 ml to 500 ml of sample mass.
3. Not suitable for sticky materials: Due to the design of the milling jars and balls, the PM 400 may not be suitable for milling sticky materials or those that do not readily dispense in small quantities.
4. Operational noise: The planetary ball mill generates significant noise during operation, which might be a concern for users working in a quiet environment.
Conclusion:The Retsch PM 400 Planetary Ball Mill is a powerful and versatile toolfor grinding various materials efficiently and effectively in a small lab setting. Its superior particle reduction capabilities, adaptability, and ease of use make it a valuable asset for researchers and material scientists. However, its relatively high cost, limited grinding capacity, and operational noise may serve as considerations for some potential users.
Recommendation:If your research or industrial application requires the rapid grinding of small sample quantities to fine particle sizes, the Retsch PM 400 Planetary Ball Mill could be an excellent investment. Its high efficiency and versatility will save you time and effort. Nevertheless, if you need larger grinding capacity, consider Retsch's larger planetary ball mill models, such as the PM 1000 or PM 2000. Alternatively, if your budget is limited, consider alternative grinding methods or benchtop grinder models with lower prices.
The extremely high centrifugal forces of Planetary Ball Mills result in very pulverization energy and therefore short grinding times. See video for details. His is a used equipment YOM 2001. Material feed size: Final fineness: Speed ratio: 1:-2 / 1:-2.5 1:-3.
It is in good working and aesthetic conditions. It processes up to 8 samples simultaneously which results in a high sample throughput. Do not include the jars. The mill is ideally suited for tasks in research like co-crystal screening, mechanic-synthesis, mechanical alloying and , or ultra fine colloidal grinding on a nanometer scale, as well routine such mixing homogenizing soft, hard, brittle fibrous materials.
The PM 400 is a robust floor model with 4 grinding stations and accepts jars nominal volume from 12 ml to 500.