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Why Humidify...For the Automotive Industry

Correct humidification within an automotive manufacturing or testing facility will improve production efficiency in several areas across the plant including sanding decks, paint spray booths, and engine testing. 

Sanding Deck

By maintaining 55% relative humidity in sanding decks, dust is suppressed and static build-up reduced.

This prevents airborne paint dust from being attracted to the surface of the bodywork, greatly decreasing sanding time and improving the quality of the finish.

As these areas are usually very warm, the air supplied to them from central air handling units is cold with low moisture content.

Direct air humidification is therefore required and is typically provided by spray systems as they offer humidity control as well as around 39.2°F (4°C) of evaporative cooling.

Paint Spray Booths

The optimum humidity for the transfer of paint from the spray nozzle to bodywork is 72% relative humidity. Correct humidification prevents the evaporation of water-based paint, allowing it to reach the bodywork as the manufacturer intended. Combating paint evaporation also reduces the introduction of paint dust to the spray booth. 


Benefits of humidification for the automotive industry include:

  • Prevents airborne dust from being attracted to the surface of the bodywork

  • Reduced static build-up

  • Prevents evaporation of water based paints

  • Humidity control for exhaust emission testing

  • Improves quality of final product

  • Employee health, reduced absentism

  • Our Automotive Clients Include

    Other industries where Condair delivers vital humidity control...