MOISTURE IN COMPRESSED AIR
Moisture in compressed air will form into droplets as it comes from an air compressor pump. When
humidity is high or when a compressor is in continuous use for an extended period of time, this
moisture will collect in the tank. When using a paint spray or sandblast gun, this water will be carried
from the tank through the hose, and out of the gun as droplets mixed with the spray material.
IMPORTANT: This condensation will cause water spots in a paint job, especially when spraying other
than water based paints. If sandblasting, it will cause the sand to cake and clog the gun, rendering
it ineffective. A filter in the air line, located as near to the gun as possible, will help eliminate this
moisture.
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