Choosing a good product does not mean that there will be a good protective effect. The consistent understanding in the painting industry is "three-point paint and seven-point paint." All the products in the packaging drum are only semi-finished products for the coating system to play its due effect. Only when the coating construction on the components is completed, can the final finished product be truly completed. In the construction methods of anti-corrosion coatings, there are three most commonly used: 1. Brush coating; 2. Roll coating; 3. Spray coating. Spraying can be divided into air spraying and airless spraying.

       Air spray:

       When spraying, compressed air or other methods are used as power to spray the paint from the nozzle of the spray gun and form a spray to form a uniform coating. Its efficiency is several times or even dozens of times higher than manual methods such as brushing, and it is especially suitable for large-area painting. It can be applied to the surface of various shapes such as gaps, small holes, inclination, curve, unevenness, etc., and obtain a beautiful, flat and smooth high-quality coating film. The disadvantage is that the paint forms dust pollution, the paint consumption is large, the utilization rate is low, and the impact on the human body and the environment is relatively large.

       Airless spray:

       Airless spraying is also called high-pressure airless spraying. It uses compressed air or electricity as power to drive a hydraulic pump to directly pressurize the paint, and then spray it out instantaneously through high-pressure hoses, spray guns, and nozzles to form a very fine fan-shaped mist, which is quickly sprayed on the surface of the coating to form a coating film . As the paint cup is increased to high pressure, the sprayed paint does not contain air. Its main advantages are: high coating efficiency; high solid content, protoplasmic paint can be sprayed; good coating quality; no need to add additional thinners.