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Styling time and process conditions of stenter

Jun 03, 2019

During the working process of the stenter, its temperature is the main factor affecting the heat setting quality. Because the fabric is heat-set, the degree of wrinkles that have been eliminated, the improvement of surface flatness, the thermal stability of the fabric and other performances are closely related to the heat setting temperature.

The setting time of the stenter is another major process condition for heat setting. After the fabric enters the heating zone, the time required for heat setting can be divided into the following parts:

Heating time: The time required for the fabric surface to heat up to the setting temperature after it enters the heating zone. Stretch setting machine

Heat penetration time: After the surface of the fabric reaches the setting temperature, the fibers in the inner and outer parts of the fabric have the same heat penetration time required for the setting temperature.

Molecular adjustment time: The time required for the molecules in the fiber to be adjusted according to the setting conditions after the fabric reaches the setting temperature.

Cooling time: The time it takes for the fabric to exit the oven and fix the size of the fabric for cooling.

Usually referred to the type of time, often refers to the time required for the first three items, not including the fourth item. If the term is regarded as a kind of preheating, then the setting time refers only to the time required for the second and third items, namely the time required for heat penetration and molecular adjustment.www.haida-textile.com