The difference in sample preparation conditions will reduce the viscosity of Mooney Vicometer
Mooney Vicometer adopts imported intelligent digital temperature control instrument, which is easy to adjust and set and control temperature range. After the test is completed, the rotor automatically pops out. The visualized graphical software window operation interface makes the digital processing more accurate and makes the operation simple, flexible and convenient. High reliability, fully reflects the characteristics of a high degree of automation. Mooney Vicometer is used to determine the viscosity and vulcanization index of rubber compounds. When the sample is at a certain temperature and pressure, the rotor applies a certain shearing force to the sample with a certain rotating torque, and the instrument measures the anti-shearing torque of the rubber. It is an indispensable instrument in the reclaimed rubber, rubber, wire and cable industries.
The Mooney viscosity test is a commonly used test method to characterize polymers and uncured rubber materials. The manufacturer of Mooney Vicometer tells you that according to the definition of international standards, the sample material is preheated in a closed mold cavity for a certain period of time and sheared by the embedded rotor at a constant rate. The Mooney viscosity is recorded, and the data is automatically calculated at a predefined time and viscosity point.
The difference in sample preparation conditions will reduce the viscosity of Mooney Vicometer?
The manufacturer of Mooney Vicometer tells you to adjust the roller distance according to the standard. If the roller distance is too large, the effect of removing air to increase the density is not obvious. If the roller distance is too small and the wrapped roller will cause the rubber to be subjected to shearing force, which will break the rubber macromolecules. Standard control roll temperature: The melt viscosity of rubber is related to the temperature. The higher the temperature, the lower the melt viscosity of the rubber, and the result seems to increase the roll pitch. As the temperature is lower, the melt viscosity of the rubber becomes higher, resulting in a smaller roll pitch. Differences in sample preparation conditions will cause the Mooney viscosity to be low.
Mooney Vicometer has little maintenance work. The calibration and replacement of the sealing ring are easy to operate and can be completed in a short time, shortening the maintenance time and improving the utilization rate of the equipment. It adopts safety shield design and multiple safety inspections to reduce possible personal injury and property loss.