Cotton yarn can be scalded in boiling water, but the following points should be kept in mind:
Temperature Control: Although cotton yarn can withstand a certain degree of heat, the boiling water temperature should not be too high. It is recommended to keep it below 60°C to avoid damage to the yarn. Excessive temperatures may cause the yarn to shrink, deform, or damage its fiber structure.
Time Management: The scalding time should not be too long; generally 1-3 minutes is sufficient. Scalding for too long will also damage the quality of the cotton yarn.
Post-scalding: After scalding, the cotton yarn should be placed in a well-ventilated area to dry naturally, avoiding direct sunlight to prevent changes in fiber quality.
In addition, if the cotton yarn is intended for specific purposes, such as pure cotton gauze bath towels or bibs for babies, it should be thoroughly cleaned before scalding to remove stains and bacteria. Also, pay close attention to changes in the cotton yarn during scalding. If curling, bubbling, or deformation occurs, stop scalding immediately to avoid further damage to the cotton yarn.
In short, cotton yarn can be scalded with boiling water, but attention should be paid to issues such as temperature, time and subsequent processing to ensure its quality and service life.