... , polyester, silk, chemical fiber, hemp, wool and blends; Leath Applications: Printing and dyeing industry: the calendering process of Cotton, polyester, silk ... can reach HRC55-58, Mechanical precision lathe, grinding, plating of hard chrome Surface hardness can reach HRC62, Grinding, pre-polishing, fine ... deformation Not more than 0.01mm. Mirror surface roller for Printing and dyeing