... roller, calender roll for plastic sheet extrusion machinery Sand finish calendering roller, calender roll for plastic sheet ... Main products:Calendering roll: mirror roll, embossed roll, chamotte sand roll, matte roll Casting roll: matte roll, mirror ... : ≤0,01mm;Surface finish: mirror polishing; (also available: sand finish, spray finish, chemical corrosion finish, engraving, laser curving, ...