Temperature is the most important factor affecting the heat setting quality. After heat setting, the degree to which the original wrinkles are eliminated, the improvement of surface smoothness, the dimensional thermal stability and other wearing properties of the fabric are closely related to the heat setting temperature. Time: setting time is another main process condition of heat setting. After the fabric enters the heating zone, the time required for heating and setting can be divided into the following parts: heating time: the time required for heating the fabric surface to the setting temperature after the fabric enters the heating zone. Heat penetration time: after the fabric surface reaches the setting temperature, the heat penetration time required to make the fibers inside and outside the fabric have the same setting temperature. Molecular adjustment time: after the fabric reaches the setting temperature, the molecules in the fiber are adjusted according to the setting conditi ons. Cooling time: the time required for the fabric to come out of the drying room and fix the size of the fabric for cooling. The time of finalization usually refers to the time needed for the first three items, not including the fourth item.
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