Metal Expander Roll is most suitable in high-speed Pulp & Paper & Textile Applications It also Known as Wrinkle Removers, Bow Rollers & Banana Rollers. Metal Expander Roll having hard chrome surface which is suitable for high speed and high tension applications for Paper industries, particularly for slitter re-winders, Calendars, Poop Reels, M.G cylinders. On high speed machines it does not wear & tear so it is commonly used in place of Rubber Bow Roll.