The double layer of powder, Primer and then TopCoat, is always more used and successful in the industrial applications. The cycle times are cut with the infrared radiant heater RHT. The layout remains the same as it is not necessary to make a double cycle time, it is just necessary to install the RHTs Infragas for the Primer melting before the second-layer of Top Coat.

You can read more about a real case in APM, Italy, with the INFRAGAS RHT https://www.ipcm.it/en/open/ipcm/2023/81/152-156.aspx