Corrugated Rollers Series with High Precision Characteristics of ... .11.592±2F0.81.0128±2Characteristics:1.The diameter of corrugated roller is Φ260mm, Φ310mm, Φ320mm,Φ360mm, Φ430mm. ... surface reaches above SH75.2.The surface of the corrugated roller can be coated with carbon tungsten, which makes ... and highly effective, reduces the shrinkage ratio of corrugated paper, and ensures long service life.