Calendar Rolls

The calendering process of smoothing and compressing a sheet of material by passing it through a number of pairs of heated rolls is widely used in the manufacture of paper, textiles, and plastic sheeting to provide it with the desired surface finish and texture.

Pressures, temperatures, and dwell times play a significant role toward achieving a homogeneous surface with a superior finish. In order to guarantee consistent and uniform quality and properties, the correct roll temperature with the least amount of variance is vital.

Many calendar roll applications call for a high temperature, low pressure, hot oil system.  At Sigma Thermal, our application engineers can help you plan and design individual solutions that provide uniform heat distribution on the roll surface to guarantee a consistently high level of quality and uniform, even finish.

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