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Why are there pressure spots on the surface of fireproof color steel plate? Today, Xiaobian will analyze it specifically for you. I hope it will be helpful to you.
When the fireproof color steel plate is cut and used, there is often a defect on the surface - surface pressure spot defect. This defect is the slight deformation of the coating surface caused by the coiling tension when the color coated plate coating is baked and cooled. Sometimes the surface is rough, showing a visually visible pressure spot shape. What causes this?
Slight pressure spot defects will gradually disappear with the extension of storage time of fire-resistant color steel plate, and can also be removed after heating. However, the more serious pressure spot defect can not be solved even with the above measures, which affects the use of users. Fire color steel plate plaque is a defect in the production process. If the causes and influencing factors of this defect are found in the production process, it needs to be stopped for many times, which will affect the production plan and improve the production cost. Therefore, it is necessary to simulate, copy and evaluate this defect in the laboratory to find the causes and factors affecting this defect from all aspects.
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