... , then, agglutinated with another paper sheet into one single Face cardboard. Different flutes needs different pairs of corrugating ... rollers to make.Flute Type: UV, flutes A,B, C ,BC,D,E ... easy to clean. From the panel of the Single facer, might control the two mill roll stands in ... speed. 3 Layer Corrugated Cardboard production Line SINGLE FACER(vacuum type)