Spec. for 3-Roll Calender for Plastic Film / Sheet :
a) Roll diamention = 260 ~ 600 mm
b) Roll Width = 400 ~ 1500 mm
c) Roll Speed = 1 ~ 50 m / min.
d) Heating System = water or Thermal oil
Our Roll Advantage :
a) Roll surface use Bi-metallic alloy steel
(under 400℃ hardness no change)
Hardness = HRC 50
After cr-plating hardness = HRC 70
b) Under 200℃, roll surface no expansion
c) Roll surface temperature tolerance ±1℃
d) Rolls Roundness, straightness, and concentricity = 0.01 mm
e) Roll linear pressure = 100kg/cm
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