【For Cosmetics】Shear Viscosity and Extensional Viscosity Measurement R6000
Imatec Corporation
Evaluation of cosmetic texture using corrected accurate shear viscosity measurements.
In the cosmetics industry, the texture of a product is a crucial factor that influences customer satisfaction. Characteristics such as smoothness, ease of spread, and compatibility with the skin significantly affect the appeal of a product. However, due to the "non-linear" nature of polymer flow, it has been challenging to accurately predict texture using traditional metrics alone. The more complex flow known as elongational viscosity is particularly difficult to predict accurately, and reliable data can only be obtained by measuring in the speed range encountered during actual use. Our R6000 shear viscosity and elongational viscosity measurement system provides highly reproducible viscosity data to support texture design. [Application Scenarios] * Texture evaluation of creams, lotions, foundations, etc. * Optimization of texture in new product development * Evaluation of texture stability in quality control [Benefits of Implementation] * Development of textures that better meet customer needs * Reduction of quality variability, ensuring stable product supply * Enhanced brand strength through differentiation from competing products
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basic information
**Features** * Revolutionary twin capillary method * Evaluation of processability based on elongational viscosity * High measurement reproducibility * Latest motor control and extensive shear rates * Touch panel that consolidates functions **Our Strengths** We handle products adopted by world-class companies, providing cutting-edge technology and rapid support comparable to domestic manufacturers.
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Applications/Examples of results
◎ A computer-controlled twin capillary rheometer with two measuring cylinders. ◎ No regular calibration work by the operator is required! ◎ Automatic calibration with a platinum sensor (high precision 0.01%, temperature stability 0.0003%/°C, long-term variation rate 0.001%/year). ◎ The barrel is divided into three zones, each independently controlled for temperature. Excellent temperature uniformity throughout the entire barrel! ◎ The temperature control sensor is installed very close to the center of the barrel using a newly developed knuckle heater. Sample temperature is accurately controlled. ◎ The variable range of piston speed is from 0.01 mm/min to 500 mm/min (with an option for a maximum speed of 1,000 mm/min). ◎ Using a 0.25 mm die, the shear rate can reach up to 9.6 × 10^5/s. ◎ An ultra-precision pressure sensor is used for measuring resin pressure, providing excellent measurement stability! ◎ The software includes a pressure balance point detection function, capturing accurate pressure data in the minimum necessary time. ◎ The pressure sensor is inserted at the die entrance to directly measure the resin pressure. The load applied to the piston is measured separately with a load cell. ◎ A forced exhaust system can also be installed in case toxic gases are generated during measurement.
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Company information
Our company handles products that are adopted by world-class companies. These products incorporate cutting-edge technologies not found in Japanese products, enabling the promotion of rationalization and cost reduction in manufacturing and development environments, and they are guaranteed to bring benefits to the companies that implement them. Additionally, we provide support for overseas products with the same rapid response as domestic manufacturers. ◎ Dynamic viscoelasticity measurement device ◎ Stress relaxation measurement device ◎ Drop weight impact testing machine ◎ Multicolor light 3D optical profiler ◎ Nano/micro indenter ◎ Tribometer ◎ Moisture meter for polymers ◎ Twin capillary rheometer for melt property material development ◎ Flow analysis software ◎ Molding analysis software ◎ Ultra-precision feeder ◎ Mass flow quantitative feeder ◎ Automatic adjustment weight-type blender ◎ Dehumidifying dryer for polymers ◎ Color spectrometer ◎ Equipment for shortening molding cycles ◎ Rubber measurement-related equipment Dynamic measurement + vulcanization testing machine Rheometer Carbon dispersion meter Mooney viscometer Hardness and density meter Density and specific gravity meter Specific gravity meter for uncured rubber Durometer Durability and fatigue testing machine Rebound tester Wear testing machine ◎ Comprehensive valve manufacturer
