... Plastic industry: PVC, ABA, PP, PT, PC Paper industry: the surface calendering process of papers Metallurgical industry: Rolling pressure processing of ... can reach HRC55-58, Mechanical precision lathe, grinding, plating of hard chrome Surface hardness can reach HRC62, Grinding, pre-polishing, fine ... (14 grade), thermal deformation Not more than 0.01mm. Mirror surface roller for Printing and dyeing