A water-based adhesive made of a film-forming material that can be dispersed or dissolved in water.
,
Also often referred to as aqueous adhesive
. Viscosity is an important physical quantity of aqueous adhesives, which is defined as
The nature of the internal friction generated by the liquid when it flows, is called the viscosity of the liquid. The size of the viscosity is expressed by the viscosity and is used to characterize the resistance factor related to the properties of the liquid. Water-based adhesives are increasingly known as the mainstream of the cigarette packaging market. Viscosity has a great influence on the processing of cigarettes. If the viscosity is too large, the fluidity of the colloid is poor, it is easy to block the pores, affecting the processing efficiency and product quality. If the viscosity is too small, there will be a spill on the scene, affecting the thickness of the adhesive layer and sticking. force.
A
TAGO
Portable digital viscometer
VISCO is durable and easy to maintain. Portable Viscometer: Simple three steps for quick installation and removal of the rotor
Using ATAGO
Portable digital viscometer
VISCO
When measuring viscosity, pay attention to the following:
1. In the process of initial use of the viscometer, pay attention to the performance index of the viscometer, and the viscometer must be operated according to the specifications specified in the manual.
2. During the measurement process, pay attention to the temperature of the object to be measured. Temperatures that are too high or too low may cause inaccuracies in the measurement data.
3. Choose the correct rotor or rotation speed. When operating, select the appropriate speed reading based on the model of the viscometer.
4. Regularly clean and maintain the rotor and viscometer. When not in use, keep the viscometer clean and free of dirt. Pay attention to the way of cleaning to prevent scratches on the surface of the rotor caused by human factors.
5. The viscosity meter is placed on the horizontal line during the process of use, causing deviations in readings.
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