Horizontal five -roller calender 1 hardness is 70-76 degree 2 alloy cillingcast 3 high efficiency Horizontal five -roller calender1 the key componet hard finishing roller is made with the most new tecknology in china alloy cillcasting.2 hardness is shore 70-76 degrees, exceeding greatly the original standard for cold casting rollers(shore 66-68degrees)3 finishing machine is an ideal equipment for ...