Reasonable coating method of epoxy floor paint is related to the coating quality, production batch, coating economy and other technical and economic benefits. If improper selection is made, it is impossible to achieve the anticipated coating date of epoxy floor paint products, even if there are coatings with excellent performance and quality, good environmental conditions for floor painting, perfect suitable equipment and tools, skilled floor paint painting team and modern organization and management, which may even result in delay of construction period and raw materials. Loss of financial resources, material resources, energy and unnecessary waste. 选择地坪漆涂装方法需要考虑的因素很多，应根据地坪漆涂装的使用环境条件，地坪漆涂膜质量要求，地坪漆涂料的性能、用途和涂装特点，地坪漆涂膜层次，地坪漆涂膜厚度，地坪漆涂装产品的基材(材质)、形状和尺寸，地坪漆涂装前表面状况及预处理方法，环氧地坪漆涂装必备的设备及工具(包括现有设备工具和需要添置的设备工具)，地坪漆涂装产品的批次，地坪漆涂料干燥方法及设备条件，地坪漆涂装环境条件和环保设施，组织机构，地坪漆涂装技术水平等进行合理选择。
There are many factors to be considered in selecting the coating method of floor paint. It should be based on the environmental conditions, the quality requirements of the coating, the performance, use and characteristics of the coating, the coating layer, the coating thickness, the substrate (material), shape and size of the coating products, and the floor. Surface condition and pretreatment method before painting, equipment and tools necessary for epoxy floor paint painting (including existing equipment and tools and additional equipment tools), batches of floor paint painting products, drying methods and equipment conditions of floor paint, environmental conditions and environmental protection facilities, organization, floor paint coating Install technical level and make reasonable choice.
First, brushing and rolling are the most primitive and simplest methods of painting that most floor paint coatings can apply to objects of various shapes. Epoxy floor paint can easily penetrate into the pores of the floor surface during rolling, so it has strong adhesion on the floor surface. The tools used for brushing are various brushes, sandpaper, scrapers, etc., which are inexpensive and adaptable. Its disadvantage is purely manual operation, low productivity, high labor intensity and poor surface smoothness.
The second type, spraying is a commonly used industrial coating method, its principle is to spray floor paint into small droplets and sent to the working surface, with the floor paint coating quality uniform, high industrial production efficiency characteristics. The disadvantage of spraying is that the loss rate of floor paint is high, a large number of volatile solvents, harmful to the health of construction personnel, and has a greater impact on the environment. At present, the commonly used methods are compressed air spraying, high pressure airless spraying, air mixing spraying, rotary cup spraying and so on.
The third type, electrodeposition coating, is to be coated workpiece as an electrode immersed in a water-soluble paint bath, through direct current to make the coating deposited on the surface of the workpiece to form a dense coating. The process includes four physical processes: electrophoresis, electrolysis, electrodeposition and electrodialysis. Electrophoresis can be divided into anodic electrophoresis and cathodic electrophoresis because of the different positive and negative charges of the particles dissociated from the floor paint resin in water. Electrophoretic coating has high efficiency, can be mass-produced, save resources, less harm, floor paint coating uniform, strong adhesion, allowing the processing of complex shape workpieces. The disadvantage of electrophoresis is that the coating is thinner, the equipment is complex and the investment is high.
Fourth, electrostatic spraying method uses high voltage electrostatic field for spraying, high production efficiency, continuous automatic production, epoxy floor paint coating uniform quality, used for large-scale production, but the shortcomings are not easy to spray to the dead corner, poor labor protection.
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