powder Coating Sprayer

• Common mechanical problems in powder coating industry（Two）

  

  Aug 08, 2025

  Resolvent ： Adjust the curing time according to the curing requirements of powder coating: each powder coating has a recommended curing time and temperature, which should be set according to the technical parameters of the coating. Optimize the temperature curve of the curing furnace: gradually heat and ensure the stability of the constant temperature stage, so that the powder coating can be cured in the appropriate time. Regular calibration of curing furnace: ensure that the curing furnace works normally and the temperature control system is accurate.   Bubbles or peeling occur: During curing, if bubbles or peeling appear on the surface of the coating, it is usually due to inappropriate curing conditions or problems with the surface of the substrate. Common causes: Too high or too low temperature: If the curing temperature is not properly controlled, it may lead to the formation of bubbles. Especially when the temperature is too high, the gas in the coating cannot be released in time and bubbles are formed. The surface of the substrate is not clean: If there is oil, water or other impurities on the surface of the substrate, these substances cannot evaporate during the curing process, resulting in bubble formation or coating peeling. Powder quality problems: The use of substandard powder coatings may contain impurities or additives, which will produce bubbles during curing. Resolvent ： Ensure that the substrate surface is completely clean: Clean the surface before spraying to avoid any oil or water affecting the curing process. Reasonable control of curing temperature: adjust the curing temperature according to the requirements of powder coating, avoid excessive temperature fluctuation, and ensure that the coating is cured at the correct temperature. Use quality powder coating: Select powder coating that has passed the test to ensure its stability during curing.  

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