... for plastic sheet extrusion machine Mirror polish calender roll, mirror polishing calender roller, mirror calendering roll for plastic sheet ... matte roll Casting roll: matte roll, mirror roll Transmit coating roll: net embossed roll, alloy roll, stainless steel roll ... 12mmTIR on Straightness and concentricity: ≤0,01mm;Surface finish: mirror polishing; (also available: sand finish, spray finish, ...