MCR Rheometer Setups For:
Powder Rheometry
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- Suitable for measurements from -160 °C to +980 °C (and combinable with humidity control)
- Characterization of powders under low to high loads and their time-dependent behavior
- Shear, compressibility, and wall friction tests
The two cells for true powder rheology help you comprehensively characterize and understand your powders. A wide range of dedicated powder measurement methods are available, including not only fast tests but also elaborate measurements for both quality control and R&D purposes. The powder shear cell is ideal for determining the flow behavior of consolidated powders and their time-dependent behavior. Additional accessories provide full control over temperature and humidity. The powder flow cell is an innovative and scientific approach to powder characterization offering a wide range of test methods. Powder behavior can be characterized under various processing conditions: simulating, adjusting, and optimizing (e.g., for manufacturing processes).
Key features
Two cells to cover all your needs
The complete powder rheology setup with the powder shear cell and the powder flow cell gives you all the possibilities you need for the characterization of powders and granular media. The combination of a rheometer with a system to determine the behavior of powders guarantees the highest sensitivity.
Versatile powder characterization with the powder flow cell
Due to its high versatility, the powder flow cell can be used for in-depth powder characterization or as a quality control tool. It enables quick testing while leveraging the precision of Anton Paar’s MCR rheometers. Use one of the many measurement methods available – such as basic flowability energy, cohesion strength, pressure drop, or deaeration time – to characterize your powder during processing, handling, and storage. Envelope density can also be determined using the powder flow cell with a dedicated measuring geometry and displacement powder.
The only powder shear cell with temperature and humidity control
Control the temperature and observe how it impacts your powders. MCR rheometers can be equipped with heating chambers that cover an extreme temperature range from -160 °C to +980 °C. Humidity – which is known to significantly influence powder behavior during storage, handling, and processing – can be controlled between 5 % RH and 95 % RH with a dedicated humidity kit. Temperature and humidity control are also available for the powder flow cell on request as a customized solution.
Powerful software for incomparable control
The intuitive user interface of the rheometer software enables fully automated powder rheometry measurements with only two clicks, while maintaining full control over all measurement parameters. Each measurement can be adapted to your needs. The system complies with QM requirements, including 21 CFR Part 11 for the pharmaceutical industry.
Patented dust protection for the powder flow cell
The unique, patented dust protection system (EP 3067684) enables clean and safe sample handling. A fourfold sealing concept protects the operator and the instrument from fine, potentially hazardous powder even when it is fully fluidized. The powder flow cell’s air seal technology is dustproof and operates without any friction on the measurement axis, maintaining the MCR rheometer’s extraordinary accuracy and resolution down to 10 nNm and below.
Designed for sensitivity and reproducibility
Expect reproducible powder rheometry measurements with both the powder shear cell and the powder flow cell. The MCR’s sensitivity helps to differentiate between even very similar powders and detect small changes within your samples. The powder shear cell setup includes a sample preparation bench to ensure consistency, significantly reducing operator influence and increasing reproducibility. The powder flow cell features automated sample preparation modes for unrivalled reproducibility of up to 0.5 %.
Specifications
| Powder shear cell | PFC 30 | PFC 20 | PFC 10 | |
| Sample volume | 4.3 mL and 18.9 mL | 60 mL to 120 mL | 21 mL | |
| Torque range | 1 nNm to 300 mNm | 10 nNm to 300 mNm | ||
| Normal stress | While shearing: up to 30 kPa While compacting: up to 110 kPa (sample- and cell-dependent) | 22 kPa | - | |
| Temperature option | -20 °C to +180 °C with CTD 180 HR -150 °C to +450 °C with CTD 450 TDR -160 °C to +600 °C with CTD 600 MDR Customized up to +980 °C | -15 °C to +80 °C Possible on request | -20 °C to +180 °C with CTD 180 HR -150 °C to +450 °C with CTD 450 TDR -160 °C to + 600 °C with CTD 600 MDR | |
| Humidity option | 5 %RH to 95 %RH | Customizable on request | 5 %RH to 95 %RH | |
| Measurement systems compatible | Included in the setup:
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| Included in the setup:
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| Measurement method | For low-load to high load condtions
| For fluidized, aerated, and low-load conditions
| For non-fluidized, aerated and low-load conditions
| For non-fluidized, aerated conditions
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| Dust protection | Not necessary | Patented dust protection hood (US10031067) for 100% filtration of particles d ≥ 5 µm; 90-95% for 5 µm ≥ d > 1 µm | - | - |
| Fluidization option | Not necessary | Choice of three mass flow controllers for volumetric flow from 0.05 L/min up to 80 L/min. | - | - |
| Accessories | Included in the setup:
| Included in the setup:
| - | |
Patents: US Pat. 10031057
Standards
ASTM
DIN
US Pharmacopoeia (USP)
European Pharmacopoeia (Ph. Eur.)
Standards
ISO
DIN EN ISO
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