If infrared heating alone were used, the coating would get to temperature quickly, but then immediately overheat (figure 2).
Use the links at the bottom of the page to read a related article:
Combining Infrared & Convection Heating
by Michael Grande of Wisconsin Oven
If you require a continuous oven to dry or cure a wet coating or powder, look into combining infrared and convection heating. Often, it can provide the same results as a conventional convection oven within a smaller equipment footprint.