Improvements to or regarding a flow-optimized washcoat job

摘要

A method of applying a non-homogeneous catalyst coating to a surface is provided. The method comprises the following steps: partially covering the surface with a first template; Applying a first washcoat slip to the parts of the surface not covered by the first template; partially covering the surface with a second template; and applying a second washcoat slurry to the parts of the surface that are not covered by the second stencil.