Why is proper flood pressure important?
Proper flood pressure is related to ink viscosity, mesh count, mesh tension and press mechanics. Generally speaking, sufficient pressure should be used to provide a thin, uniform flood coat while minimizing screen deflection during the flood stroke. Too much flood pressure will force ink through the mesh resulting in image slur and excess ink deposit. Insufficient or uneven flood pressure will result in a correspondingly uneven ink deposit. This will be particularly evident with transparent inks or halftone printing.
