METHOD OF PRODUCING HEAT-RESISTANT CRIMPED YARN

摘要

The present invention related to a method for producing a heat-resistant crimped yarn comprising twisting yarn of a heat-resistant high functional fiber, twist-setting the twisted yarn by heat treatment and untwisting the twist-set yarn, wherein a snarl value of the twist-set yarn is not more than 6.5, and provides a method for producing a heat-resistant crimped yarn which is practical in point of the productivity, the necessary equipment and the production costs.