The formulation design of epoxy floor coatings should not only meet the requirements of coating performance, but also take into account the application performance. The adaptability and ease of operation of the coatings under different temperature conditions should be taken into account, especially for the epoxy self-leveling floor coatings with higher requirements for application performance.
Construction temperature of epoxy self leveling floor:
The application temperature of epoxy floor coatings is 5-35 C, but this temperature range is still very wide for epoxy self-leveling floor coatings without diluents. Since the viscosity of self-leveling floor coatings is greatly affected by temperature, the self-leveling floor coatings with suitable viscosity at low temperature will "flow like water" at high temperature, which makes it difficult to apply. Self-leveling floor coatings with suitable viscosity at high temperatures will be too viscous to be applied at low temperatures and the surface will not be smooth. Therefore, epoxy self-leveling floor coatings generally need to set up two systems, winter and summer, to adapt to different geographical and seasonal environmental factors, especially the change of temperature factors.
Construction method of epoxy self leveling floor:
Trowel coating is the traditional construction method of epoxy self leveling floor coating, and is also a commonly used method at present. The merits of upsetting are simple operation and easy training, but its construction efficiency is low. The surface efficiency of artificial upsetting is 300-500 square/8 hours. The thickness of coating film, the feeling of application and the fatigue degree of long-term operation are all related to the viscosity and thixotropy of the coating. Too large and too small viscosity and thixotropy will be difficult to paint the construction of the coating. The flow of paints depends on the power of the spray gun and the viscosity of the paint. If the viscosity of the coating increases, the flow rate of the spray gun will be reduced and the construction efficiency will be reduced. The low viscosity of the coating can improve the construction efficiency, reduce the dosage of the coating and increase the freedom of the application.
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