The shelf life of powder coatings is typically influenced by several factors, including the storage environment's temperature, humidity, and the formulation of the coating. According to available information, powder coatings should be stored in a well-ventilated area with temperatures below 35°C and relative humidity below 60%, in a cool, dry place away from direct sunlight and heat sources. The effective storage period is generally around 6 months, after which the coating's performance should be re-evaluated to ensure it still meets requirements . Additionally, the storage stability of powder coatings is related to their formulation, production, and storage conditions; high-temperature storage may cause irreversible performance degradation due to chemical changes in the powder coating . In practical applications, it is important to follow the specific storage guidelines provided by the coating manufacturer to ensure the coating's performance.
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