3-roll Calender 1.Greatly improve the smoothness and gloss of glazing ... pressure:60kgf/cm4. Gauge: 4400mm roller centre:4300mm5. Specification and quantity of felt wrapped roll: Upper roll:Φ500x3500mm one Middle roll: Φ450x3500mm one Lower roll ... treatment equipment, pressure screens, baskets, refiner, cleaner, stock pump, vacuum pump, thickener, turbo separator, soft or hard calender, rewinder, sheet ...