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What can I do to maintain air quality in my powder coating system and what could happen if I don't?

time2011/11/11

It's important to maintain the correct volume of clean, dry, compressed air to your powder paint system. The air should be conditioned with a properly sized refrigerant or regenerative (if air volume is 500cfm or higher) air dryer. It's also recommended that a particle or coalescing filter be used and equipped with automatic drains or flags that indicate when service or replacement is required. Air quality requirements are three-fold: maximum oil content of 0.1ppm, dew point of 35 degrees or lower and particulate matter no larger than 10 microns. By keeping the powder free of moisture, oil and other dirt, powder fluidizes more evenly and the pump can lift the powder through the suction tube easier, transporting the powder to the gun more efficiently.