Causes of defects in the application of inorganic zinc-rich primers

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This post was last edited by foam_ZPTK on 2018-12-22 21:43. Reasons for defects in the application of inorganic zinc-rich primers: 1. Factors related to the coating materials: Inorganic zinc-rich primers are composed of various raw materials such as film-forming substances, solvents, and additives, which work together to achieve complementary performance. Defects can occur due to various factors, such as improper storage conditions or excessive storage time. Another example includes unreasonable formula design, inappropriate selection of raw materials, and problems with the manufacturing process. 2. Painting process factors: When the factors related to inorganic zinc-rich primers and the substrate can be controlled and eliminated, defects usually arise from unreasonable painting design or inadequate implementation. The painting process here includes the specific steps involved in painting, the methods used with various tools, and especially whether processes such as drying and sanding are carried out properly. 3. Painting environment factors: Painting steel requires a favorable environment; insufficient lighting in the workshop leads to uneven spraying, and issues that could have been detected promptly go unnoticed. The humidity in the spraying and drying area is not under control, ventilation is inadequate, or the wind speed is unsuitable, which makes it difficult for solvents to evaporate and results in paint mist emissions. 4. Painting technology factors: Inorganic zinc-rich primers are applied by the operator, while the painting process is designed and managed by technical personnel. If the competence of these engineering and technical staff is poor, it becomes difficult to ensure the proper progress of the painting process and to avoid defects; the various problems mentioned above need to be resolved through human factors.