... sheet extrusion line. Embossed calender roll, embossed roller, calender roll, mirror polish roll for our plastic sheet extrusion line ... , chemical corrosion finish, engraving, embossed, laser curving, cutter curvingRoll body material: Fine quality Seamless steal pipe, integrated ... ; Temperature difference: ±1°CAll these rollers are used on production lines of calendaring transparent sheet, extruding ...