... calender roll for plastic sheet extrusion machinery Sand finish calendering roller, calender roll for plastic sheet ... roll Casting roll: matte roll, mirror roll Transmit coating roll: net embossed roll, alloy roll, stainless steel ... and concentricity: ≤0,01mm;Surface finish: mirror polishing; (also available: sand finish, spray finish, chemical corrosion finish, engraving, laser curving, cutter ...