Nowadays, epoxy floor is mature and used in many places, such as parking lots, factories and workshops. However, after construction, we should pay attention to monitoring the viscosity of epoxy floor coatings, so as to ensure the quality of the finished epoxy floor and the use time. However, it is worth noting that when measuring, we must pay attention to the following points, otherwise it is very difficult to operate.
(1) the prescribed temperature should be between 21-25 degrees. Because the temperature is too high, the viscosity of the measurement is relatively low, the temperature is too low, the viscosity is relatively high, it is not the standard value.
(2) after each test, -4 cup should be cleaned and the corresponding solvent should be selected to prevent the small hole from being blocked.
(3) First plug the small hole leak with finger or instrument, fill 100 ml paint, and pour the bubble and surplus sample into the groove with glass rod to prevent the sample from failing or exceeding the standard.
(4) When the finger is quickly removed, the stopwatch is started at the same time, and the stopwatch is stopped immediately when the sample beam is interrupted.
Epoxy mortar floor
The empirical test method for the viscosity of epoxy floor coatings is to observe the coating with stick after stirring. Normal coatings should be allowed to fall freely and continuously. If there is any interruption, the shrinkage will show that the coating is thicker. Generally, the paint on the rod and the paint in the barrel will connect continuously in a very short time, the connection distance is 30-50 cm, that is, close to the degree of brushing. Less than 30 cm, indicating that the viscosity of the coating is too small, that is, the coating is too thin; greater than 50 cm, indicating that the viscosity is too big, that is, the coating is too thick. This kind of viscosity is called working viscosity, which is based on the construction requirement and has been used for many times without viscometer.
By measuring the viscosity, we can observe the degree of polymerization of the paint after storage for a period of time, and adjust the viscosity with suitable diluents according to different construction requirements, so as to achieve the different viscosity indexes required for brushing, upsetting and batch scraping. So this step in the construction process is indispensable, in the construction must pay attention to whether the workers jerry-built.
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