... ,final product ≥3200mm;3)Material of Calender Roller: 42CrMoV4)Structure of calender roller: integral casting, peripheral drilling, hole diameter: ... Calender Roller:HRC60 for smooth roller, HRC58 for embossing roller;6)Heat treatment of Calender Roller: quenched and tempered, roller body ... 60kg/cm, no cross between top and bottom roller);12)... For more detailed technical requirements,please offer ...